to account for this effect. I already had the complete rifle from DPMS, so I just got the upper. https://www.tacticallink.com/Armageddon-Tactical-Stainless-Steel-Crush-Washer-For-12x28-Threaded-AR15-Barrels.html, https://www.joeboboutfitters.com/Crush-Washer-for-1-2X28-Barrels-p/jb-crushwasher.htm. WebEnhance your AR -10 collection today at Palmetto State Armory ! Copyright 2023 National Rifle Association, Women On Target Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. Hammer Women Of Distinction Award, Women's Wildlife Management / Conservation Scholarship, National Youth Shooting Sports Cooperative Program, Product Preview: Forward Controls Design Joint Castle Nut Wrench | An Official Journal Of The NRA, 7 Simple Follow-Through Tips to Improve Your Accuracy (Right Now!) If your gun checks out, you should be GTG. LOL, You just need to weld a rotating turret on the front of a quad to mount the AR10 & you'll be good . The basic custom upper conversion features a Shilen match stainless barrel with my ventilated, three-piece hand-guard. If you are looking for high-quality complete AR-15 BCGs and BCG parts, look no further. By Example: For a 416R Stainless Steel barrel, you would fire one round, then perform the cleaning steps outlined below a total of five to ten times (shoot 1 round & clean, done 5-10 times) before starting the three shot cycle where you would fire three rounds and then clean as outlined below, then proceed to fire five rounds then clean, completing the break-in procedure. Henry Repeating Arms recently presented a $25,000 check a nonprofit organization that provides support and programs for the families and co-workers of firefighters killed in the line of duty. All Shooting Times subscribers now have digital access to their magazine content. That kind of accuracy with a factory load!! Also a plus in such positions was the magazine, which only protrudes about 5/8" below the magazine well and did not interfere with the support hand position on the fore-end. Powered by Invision Community. I've been doing some homework on the platform and have been looking into a variety of cartridge options for things that are faster and flatter than the 7.62X51 - so this really caught my eye and the idea of an AR-10 in .300 SAUM gives me (in the words of James May) "the fizz." If you do not wish that your barrel receives this logo, please specify using the appropriate dropdown menu option when configuring your barrel. Those are all know, proven performers that out-pace the .308 Win cartridge. Please check ourFrequently Asked Questions for our current lead times. As stated above, you could build a Sherman Short. pokey, January 8, 2017 in General Discussion. Submitted my order on-line then about a week later I second guessed my fluting selection from all the options available. with a 180-gr. If I was just shooting steel out to 1000 yards, I would just use my 260 Remington. We only guarantee 1 MOA or less if a Rubber City Armory or JP Ent. Otherwise, you will need to ask the smith to build a complete rifle. Polymer-tipped hunting ammunition should work fine, as will open point or full metal-jacketed bullets. As for accuracy, the AR-10 Ultra has far exceeded ArmaLite's expectations. Buy enough ADG 7 saum to last the barrel.life and your set. Copyright 2000-2023 . Initially, proper feeding of an Ultra was going to be a handloading proposition. Most places sell a throw away generic barrel for the price of this high quality precision barrel. Fire Three Times then Clean: Do this 2 times. If you select this opion, we will NOT engrave the default X-Caliber Logo. not too many people making AR10 bolts other than armalite. Learn More MAG1182 . Carbon fiber free floating hand-guard. Rifles Uppers Lowers Upper Parts Lower Parts Kits Grid View List View Sort Sylvan 3 Piece QD Rail Mount Set - RC300 $129.99 $94.99 Add to Cart BLEM Gen3 PA10 Stripped Lower Receiver Rating: (73) $149.99 $99.99 Add to Cart PSA Gen3 PA10 .308 Complete Classic EPT Lower Receiver I thought about doing a rebarrel ofan AR10 with a 260 barrel but got turned off by the price of a AR10 compatible 260 Remington barrel. For other weird AR calibers, I've got a .338 Federal, and that thing HITS some steel! We will perform status checks on those at the end of or after the estimated lead-times. Display as a link instead, Dec 24, 2008. The difference in ballistics between the WSM and RSAUM are insignificant in all practical applications. If you have an account, sign in now to post with your account. Use a bullet that the gun really likes, throw in some extra effort in case preparation, and the Ultra will stand on its own against any gun on the High Power line, and do so with the ballistic advantage of a magnum cartridge and the functional advantage of a semi-auto. Will build out using Aero Precision LR308 MK5E1 upper, 22" 1-10 barrel, adjustable gas block, Aero Precision LR308 BCG and KAK Magnum bolt. Trigger Job (Mini 14,30 & 6.8). Internally, the sidewalls of the .300 WSM case come straight down forming nearly a right angle where they meet with the flat bottom at the cartridge web. I found this article:https://www.accurateshooter.com/cartridge-guides/243win/that includes a pretty glowing review of the cartridge (for bolt gun precision shooting). Bullet weights up to 180-grains were tried without any problems caused by the heavier bullets. The fit is so precise, and the aesthetics are sure to please. Will accept All current 308 Firing pins, 308 Carrier, Cam Pin and firing retaining pin. Gun Safes - Also due to overwhelming call volume, voice messages left with our Customer Support number may take quite some time to get a response. Right off the top of my head A magnum bolt face is going to be problematic in an AR--although it can be done with something like KAK's bolt. AMU found that in a semi-auto, the WSM cases exhibit some bulging ahead of the extractor groove. our technical sales staff can talk you through it. This site uses functional cookies and external scripts to improve your experience. Also note that fluting a barrel reduces the effective wall thickness of a barrel which is why you will find a different set of rules regarding minimum contours for * Chambering is an optional, extra service. For every caliber we list a minimum contour for both stainless steel and chrome moly. Sherman stuff seems cool but Multiple sources of brass would be much better than single source proprietary in my opinion. The lower receiver remains unchanged, because the existing magazine well is large enough to accommodate the fat RSAUM cartridge case. WebDescription: I am listing my DPMS A-300, this is basically an AR-10 chambered for the super nasty .300 Remington Short Auction Ultra Magnum cartridge. Very accurate rifle, and I have about 150 pieces of brass. The AR-10(T) Ultra is the product of a collaboration between the Geneseo, Ill., firm and the United States Army Marksmanship Unit (USAMU) to develop an AR-10 rifle suited to long-range work. ArmaLite's Ultras haven't had long enough of a track record to see how much more, if any, the magnum guns wear or the bores erode than the standard caliber guns. WebBrownells is your source for Ar 10 Upper at Brownells parts and accessories. Antelope Hunting, Wednesday, March 01, 01:49:28 PM Mountain Time. ArmaLite's AR-10 has more than proven the test of time. The outer diameter of the stepped barrel measures 0.80" at the muzzle and 1.00" under the handguard. It was 66 gr of RL-22 and the 180 BT. As I'm chewing on this I'm pretty convinced that I want to go with a round that does not dramatically lower round count per magazine. 9mm / 38 Super / 380 Auto / .357 Sig (.355 - .356), Aero Precision AR-15 5.56 M4E1 Threaded Complete Upper Receiver, 10.5" Barr, Aero Precision EPC AR-15 9mm Complete Threaded Upper Receiver with 11" Barr, Aero Precision EPC AR-15 9mm Complete Threaded Upper Receiver with 5.5" Bar, Anderson AR-15 AM-15 Mil-Spec Assembled Upper Receiver- Aluminum- Black, Aero Precision AR-10 .308 M5 Complete Upper Receiver Assembly, 18" Barrel, , Aero Precision AR-10 6.5 Creedmoor M5 Complete Upper Receiver, 22" Barrel, , Aero Precision AR-10 6.5 Creedmoor M5E1 Enhanced Complete Upper Receiver, 20&quo, Aero Precision AR-10 M5E1 6.5 Creedmoor SS Complete Upper Receiver Assembly 22&q, Aero Precision AR-15 .223 Wylde M4E1 Enhanced Complete Upper Receiver, 16" , Aero Precision AR-15 .223 Wylde M4E1 Enhanced Complete Upper Receiver, 18" , Aero Precision AR-15 .300 Blackout M4E1 Enhanced Complete Upper Receiver, 10&quo, Aero Precision AR-15 .300 Blackout M4E1 Threaded Complete Upper Receiver, 10&quo, Aero Precision AR-15 .300 Blackout M4E1 Threaded Complete Upper Receiver, 8", Aero Precision AR-15 5.56 M4E1 Enhanced Complete Upper Receiver, 10.5" Barr, Aero Precision AR-15 5.56 M4E1 Threaded Complete Upper Receiver, 12.5" Barr, Aero Precision AR-15 5.56mm M4E1 Threaded Complete Upper Receiver, 16" Barr, Aero Precision AR-15 5.56mm M4E1 Threaded Complete Upper Receiver, No Forward As, Aero Precision AR-15 5.56mm M4E1-T Threaded Complete Upper Receiver, 16" Ba, Aero Precision EPC-9 9mm Enhanced Complete Upper Receiver, 8.3" Barrel, Enh, Aero Precision EPC-9 AR-15 9mm Complete Threaded Upper Receiver with 8.3" B, AR15 .300 AAC Blackout Complete Upper Receiver Assembly 7.5" 1:7 Twist Barr, AR15 9mm Luger Upper Receiver Assembly 7.5" 1:10 Twist Barrel with Free Flo, AR15 Upper Build- 5.56 NATO 1:7 16" Barrel w/ 16" Free Float Keymod Ha, AR15 Upper Build- 7.62x39mm 16" Barrel w/ 12" Super Slim Light Weight , X-Products AR-15 Soda Can Launcher - Accessories Launcher- Black, X-Products AR-15 Soda Can Launcher - Accessories Launcher- FDE. According to ArmaLite's president, Mark Westrom, the AR-10 Ultra is not a modified or custom gun. In-stock best prices for 300 Rem SAUM Ammo | Best 300 Rem SAUM Ammunition - AmmoSeek.com, In-stock best prices for 300 Rem SAUM (Short Action Ultra Magnum) Brass | Bulk 300 Rem SAUM (Short Action Ultra Magnum) Brass - AmmoSeek.com. ArmaLite took the lessons learned from that informal military program and applied them to the Ultra. Chrome Moly Steel. All Rights Reserved. Smith & Wesson's new M&P FPC is a compact, folding pistol-caliber carbine chambered in 9 mm Luger and designed to accept the company's M&P handgun magazines. Nov 16, 2016 #7 J jerkthetrigger Senior Member Don't know if the barrel will work, but would not advise that caliber in the Model 7 action. Now you can find a couple factory loads I think, and Nosler Thats awesome setup on an ar! I could not be happier with the end result, the barrel's fit and finish is absolutely flawless and fit my Aero Precision upper beautifully. The round count is less than a 100 on each. 4.4 (70) Savage 64 F .22 LR Rimfire Semiautomatic Rifle $ 129 99 129 dollars At the time of this writing, Remington offers the only factory loadings, and when I started working with the ArmaLite Ultra those loadings were all soft-points. Kak makes BCGs and uppers, and other parts just for the Winchester Short Magnum calibers. Amazing! I have seen review of bulging in mags with to much loaded in. KM Precision neck turning tool from Bruno's. Sounds like you cant go wrong than with 6.5 creedmoor or .260 Remington. Joseph Von Benedikt is with Rafe Nielsen of Browning to take a look at a new X-Bolt series rifle. This means you have the option to read your magazine on most popular phones and tablets. With hornady superformance 129 grain sst, im getting half inch groups at 100. Still, the AccuBond showed a lot of potential for load development if someone was going to hunt large game with ArmaLite's Ultra. At first I was worried about getting these Winchester short magnums to fit in standard 308ar mags, so I played around at several of my local gun stores and have been able to get several 270 wsm and 300 wsm factory loads to fit in the mags. The target crown of the rifles 24" barrel is recessed, and the bore is button-rifled with a six-groove, 1:10" right-hand twist to stabilize even the heaviest .30-cal. Thank you X-caliber for such a great product! The rifle proved to be slightly muzzle-heavy, which contributed to steadiness in off-hand and sitting shooting positions. The .300 SAUM (r.) has a distinct angle at the junction, resulting in a thicker, stronger web. long450. MP5 / G36 / AUG. Magazine Accessories > Shop All PMAGs > Shop All Firearms Accessories. I have enough trouble hauling my fat butt up the hill without carrying something that feels heavier than the M-60 that I lugged around in my youth. I thought it was because my brass is on it's 5th loading and sticking for some reason. What is certain, though, is that the epitaph for the .300 Remington SAUM cartridge is a long way off and when it is written, it will probably be remembered as a target or tactical cartridge because of guns such as the ArmaLite Ultra. I plan on doing a 270 wsm hopefully within the next year or two because I like how flat it shoots and it has lower recoil than the other short magnums. Clear editor. All AR Barrels that X-Caliber Manufacture receive the X-Caliber Logo engraving at the top of the barrel just behind the muzzle/threads. Which in my area isnt that uncommon. Ships To Store. The Remington Short Ultra Mag was put on the market shortly after Winchester released its 300 WSM round in 2001, resulting in the Winchester product getting the marketing advantage that has eclipsed the Remington offering.[1]. It's the same case, just necked down And that weirdo 6.5 creedmoor bastard is still 20 rounds in the 20-rd mag, too. Citified Well-Known Member Joined Dec 27, 2016 Messages 181 Location Central We do not make shotgun or pistol barrels at this time. Body Armor - I have a dpms AR made in the 300 saum. ***PLEASE ACKNOWLEDGE*** - We recommend using a KAK Bolt, this barrel is head spaced for a KAK Bolt. Add to Cart. With factory and handloads the cases initially showed an annoying tendency to shed a little sliver or brass from the head that would occasionally bind up the ejector rendering the Ultra a single-shot until the bolt was stripped and the brass slivers removed from the ejector and its spring. Is it easy to find brass and/or loaded ammo during normal times? If you cannot clean from the chamber end, be sure to use a bore-guide so as not to damage the crown or muzzle end of the rifling. Web.300 SAUM.300 Savage.300 Weatherby Magnum.300 Winchester Magnum.300 WSM.303 Savage.303 British AR-10/SR-25 .308 AR Magazines; AR-15 Magazines; Arex Magazines; Bergara Magazines; Beretta Magazines; AR Bolt / Bolt Carrier Parts; AR Charging Handles; AR Gas Blocks; AR Gas Tubes; Make sure to watch till the end. Casting Your Own Bullets for Lever-Action Rifles, SIG Sauer P365 Pistol Now Offered in .380, The Colt Anaconda .44 Rem. A James May fan? Remington's match bullet factory loading was not available until after my evaluation of the ArmaLite Ultra. Krieger Barrels has express permission to use both his "5R" terminology and the groove geometry he developed to produce our 5R® barrels. Some shorter barrel and gas system length combinations with will also require a 1" gas block journal length instead of the usual 1.92" to make enough room for engraving our production stamp at the top front of the barrel. By However, the actual body diameter of the 300 PRC is the same diameter as the belt on the .300 Win Mag. AR in short magnum is going to be a fairly special, needs very specific ammo to work much less As Westom claimed, the ArmaLite Ultra was easily capable of sub-moa accuracy with nearly all loads I tried. If any Non Mil Spec (Adjustable Gas Block, Heavy Buffer, Reinforced Springs, Light/Heavy BCGS, Piston Systems) parts are used, X-Caliber must be contacted. WebThe .300 RSAUM is intended to provide a high-performance cartridge with good ballistics and moderate recoil, making it suitable for hunting medium to large game at long ranges. All prices stated in this web site are subject to change without notice. Winchester has historically done a much better job of marketing than Remington. (KAK Bolt NOT SOLD with Barrel and must be purchased separately). You must have JavaScript enabled in your browser to utilize the functionality of this website. Join Team Wing Tactical. I need to build ammo to shoot through it. The .300 RSAUMs flatter trajectory also allows the use of scopes with a smaller range of adjustment. The magazine is the same as on the standard-caliber AR-10, though the polymer follower is reshaped to accommodate the different cartridge stack of the .300 SAUM. Surprisingly light recoil shooter in my DPMS LR. the difference is kinda like running a 6.5 grendel in an AR15; need a difference size bolt because of the wider case diameter, and they added another extractor to help with reliability. My experience was detailed in the Small Arms Review, February, 2002 issue. Condition: Used, As New Caliber: .300 (all) Item #: 997764244 Location: MI Trades Accepted: No Share: Add to Wish List Add to Compare. --NOTE: LAST 4 LINE ITEMS IN DROPDOWN MENU ARE CARRIER ONLY---NOTE: MOST CARRIERS WILL SHIP WITH X-CALIBER LASER ENGRAVING LOGO INSTEAD OF RCA's LOGO. With its 24" barrel, the rifle is not exactly handy, but it is comparable in length to a typical precision bolt-action rifle. Upload or insert images from URL. Harmonic Barrel Stabilizer II Instructions, ASSEMBLY INSTRUCTIONS for the MINI200 SIGHTS, ASSEMBLY INSTRUCTIONS for the RR200 SIGHTS, Ruger Mini 14 & 30 Extended Magazine Release Instruction Video, Hosted, Maintained, Promoted, & Optimized for Search Engine Placement by Hosting Texas, Remington Model 742, 7400, & 750 Rifles . Fits Dpms Style Lowers. 3.) Try our Cerakote Stainless finish. Byers, Colorado 80103. Please call (262) 628 - 8558 for availability of other calibers. Based on the proven AR-10 platform, it is currently only available in .300 RSAUM with a free-floated, 24" heavy-profile, stainless-steel barrel; a flattop upper receiver with an integral Picatinny rail; aluminum-and-polymer tubular fore-end, with four short Picatinny rail segments for mounting lights, lasers or other accessories; and a detachable, five-round, steel box magazine. Caliber: 300 Rem Short Action Ultra Magnum. Semi-autos typically don't function well with soft-point ammunition and the AR-10 Ultra promises to be no exception. WebTikka T3x Lite Left Hand 300 Winchester Magnum Bolt Action Rifle $ 919.00. For use with other caliber with the same bolt face diameters. Well I take it back , the original AR 10 Schematic don't show a Firing Pin Spring . His are based on the SAUM and use ADG brass. DPMS LR type has a floating Firing Pin like the AR 15 . We also do not offer 5R® rifling in our semi-auto barrels. 0. WebF-1 Firearms DuraBolt AR-10 Bolt Carrier Group MSRP: $330.00 $305.25. Our in-stock AR-10 barrels are available in various lengths up to 24", finishes (parkerized, nitride, stainless steel), gas systems (carbine, mid-length, and rifle length gas systems), and fluting styles. Krieger Barrels regularly makes barrels from 20 caliber (.199 inch bore diameter) to 4 bore (.936 inch bore diameter) Instead, he calls it a "quasi-custom" gun because parts such as the bolt, upper receiver, and barrel extension are all machined from the ground up as factory parts. Our AR-10 barrels are available With modern cartridge components, though, the barrel life expectancy should be good. He answered with a blunt "I don't know" regarding bullets weighing 190-grains, then immediately qualified his answer by pointing out that a shooter can always adjust the load and bullet seating depth for the gun. Savage Arms 110 Storm Left Hand 270 Winchester Bolt Action Rifle $ 779.49. off sandbags. I also ordered the pepperpot compensator which was a perfect match to the barrel. Shop Krieger Direct to get your barrel fast! Semi-autos in general don't like soft-point ammunition and the AR-10 Ultra promises to be no exception. Comes with Gas rings, Extractor, Extractor plunger. Thanks 98Z - Interesting set of options. Funny how you get a stereotype in your head around a cartridge from something like that. As said above, if the Chamber Head Spaces properly for whats stamped on the Barrel , it should be good to go . My whole point of wanting one is for big game at those 300+ yard shots. Even better accuracy would likely be achieved with target-grade ammunition loaded with match bullets, such as Sierras 168-, 175- or 180-gr. I worked up a load for a model 700 300 saum that shot well under an inch with very little recoil. I discussed that problem with ArmaLite and they suggested that I polish the face of the ejector button. You cannot paste images directly. It is typically used with a 1:10 twist rate barrel, which is suitable for stabilizing the wide range of bullet weights that can be used with this cartridge. FOR ENGRAVING OPTIONS FOR THIS BARREL, PLEASE CLICK HERE. I cant wait to start reloading for this beast! The 180-gr. Ask us about it. And it took me a while to figure this out, but from what I can tell, KAKs upper has a larger cut ejection port for ejecting the larger size cases. It's definitely available. Barrels which require a gasport are always made with 4 grooves so that the grooves are wide enough that we can keep the entire gasport within the groove. Tel: (303) 822-6849 Fax: (720) 367-5095. Our phone system sometimes overwrites voice messages left by customers so please either try again or send a message tosales@x-caliber.net(as this email address can be checked and responded to anywhere by anyone here), you're far more likely to get a prompt response with an email inquiry than via phones for the time being. 1661 Behrens RD. New Mexico Elk Hunting - Please read ourFrequently Asked Questions (FAQ) Page for more information. You have a few options for a "better cartridge than .308 Win", if flatter shooting over long range is the goal. I will say - and you'll shoot it so @98Z5V has a 260 Remington. 300 Whisper. if you want a magnum caliber, you will need a complete upper and lower. Thanks gents. If / when I do this Ill probably do this as a new build. I picked up a bare Aero M5 lower that I plan to do something with one of t But do you know how to properly use them? Good luck! Polymer-tipped, open-point and full-metal-jacketed bullets will provide the most reliable functioning. Mag. https://www.kakindustry.com/lr-308-parts/magnum/kak-300-wsm-complete-19in-magnum-upper-w-m-lok. All of our barrels are made with a right-hand twist as standard. 6.5 Creedmoor vs. 6.5 PRC: Which is Better? Let sit 30-60 seconds before moving on to the next step. If I had to name it, I would call it.the AR110. Stocks. Before there were scopes or red dots there were iron sights. flexibility in rifling form, twist, groove dimensions, number of grooves and more. This barrel is just what I was looking for to fit on my aero precision upper. Differences in muzzle velocity and muzzle energy are related to barrel length rather than case dimension. It is shown on their manual now a days as Part # EA 1011. Your link has been automatically embedded. Since our barrels are hand-lapped, each barrel may break in a little differently. Available in different sizes and red dot ready, it'll fit your needs, whatever they are. In response to that request, ArmaLite provided the hardware that was ultimately sent to the folks most tuned to accuracy the Army Marksmanship Unit (AMU). A World Record Attempt and everyone is out at the range shooting and practicing. .300 Remington Short Action Ultra Magnum (also known as 300 RSAUM, 300 RSUM or 300 Rem SAUM) is a .30 caliber short magnum cartridge that is a shortened version of the Remington 300 Ultra Mag, both of which derive from the .404 Jeffery case. The DPMS complete rifle shot well with Fire Three Times then Clean: Do this 1 time. A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed. That right angle gives the WSM a smidgen more case capacity, but results in a web too thin to support the case in semi-auto operation. It fit like a dream and shot even better. Submit . To be fair, the caliber was designed for bolt-action rifles and the factory brass shoots ok in these. Your previous content has been restored. $15.95. Core-Lokt and 180-gr. I have a 10T barrel, reamer, GG, barrel extension, superlative adjustable gas block, KAK magnum BCG, and Armalite build kit. Based off the saum case and good brass. PMAG 20 AR 300 B GEN M3, 300 BLK . The 308 winchester is a short action. From 20 caliber to Four Bore, Krieger Barrels offers a wide variety of popular and rare calibers in bolt action, AR-15, AR-10, M1 Garand, M1A/M14 I have all the components to build a lightweight AR10 (yes Armalite) in 300WSM. You get 200 rounds of ADG 7 Saum brass and it will last the life of the barrel you won't have to worry about other brass. The Custom upper was built with a match grade barrel. Upload or insert images from URL. Diameter: .980" -- Specified Caliber options will include a slight increase in actual diameter to allow for safe margins with passing projectiles. Stainless Steel has a higher ductile to brittle transition temperature, meaning that if you shoot a stainless steel barrel in very cold temperatures it needs to have a heavier contour Thanks gents. Also because of the larger diameter cartridge case, the bullet tips are positioned lower and more near the center of the magazine. Revolver Is Back, Savage Model 110 Timberline 6.5 Creedmoor Rifle: Full Review. To make this work you would have to stretch all the componets. You may change your settings at any time. As for if the military would adopt the Ultra for use in the field, Westrom said that was "a much harder sell.". I don't think you could get a better experience, higher quality, and greater value anywhere else. So - as a paper / steel gun - I'm coming to the conclusion that the juice(fastest / flattest available cartridge) in the WSM / SAUM / etc. To accommodate bullet tips that were being presented into the chamber from that lower and more central position, ArmaLite had to move the feed ramps lower and closer together; hence the different barrel extension on the Ultra. Our ARs are tested with mil spec buffer tubes and springs. Even have 100 pieces of 300 WSM virgin brass." Test ammunition included Remington loads with 150- and 165-gr. So leads me to .30 cal Im seeing plenty 300 wsm on the shelves but seems to be a bit much and .308 is not quite enough so I was hoping for a little real world experience with 300 saum. AMU's first focus in this informal project centered on Winchester's .300 WSM cartridge. It's not as easy as it looks because the larger diameter cartridge case means the cartridge stack gets squeezed in the magazine. I don't think you can tell visually. Just saying that I'm old, fat, out of shape, and the AR-10(T) with a 37oz scope, bipod, and PRS buttstockon it probably weighs 18 lbs. Posted: 2/18/2013 7:44:40 AM EST [#12] Thanks again. You are using an out of date browser. When breaking in your new X-Caliber Barrel, you should perform appropriate fire and clean cycles to normalize the bore surface. Machining was perfect, fit and finish were top-notch, and it was EXACTLY as ordered. Flatter shooting and more energy in target creates a more humane kill. I am a HUGE fan of the quality of the products offered and especially by their customer service, which I have found to be outstanding in every way and I couldn't be more pleased. OK. Close. I will certainly be doing more business with X-caliber and will steer my shooting buddies to their products. Now you can find a couple factory loads I think, and Nosler picked it up but that stuff is really high priced normally. I ALSO have, and is included in the sale, a whole second upper that is chambered in .308 or 7.62 NATO. Mikey Hartman, Lt. Col. WebBear Creek Arsenal's AR10 upper assemblies come in .308 Win, 6.5 Creedmoor, .22-250, and .243 Win along with many different barrel lengths, finishes, and both side charging and rear charging styles. All carbon-steel parts are coated with a black-oxide finish, while the aluminum components are black anodized. Pasted as rich text. The bolt face has been opened up to handle the larger 0.532" nominal head diameter of the .300 RSAUM, the ejection port in the upper receiver has been enlarged, and the gas port in the barrel is located 3" farther forward than in the .308 Win. The great-looking Ascend Armory receivers are constructed from 7075-T6 billet aluminum and feature enhanced AR-10 front and rear take down pins, ambi bolt catch/release levers, anti-rotation trigger and hammer pins, and an oversized magwell and trigger guard. I contacted Armalite about it but they never got back to me. 10mm Firepower: Springfield XD-M Elite 3.8 Compact Pistol Review, The Staying Power of the .257 Roberts Cartridge, Savage Impulse Straight-Pull Rifle: Full Review, A World Record Attempt: Practice Round and Media Day, Interview with Israeli Defense Forces, Part 1. Load! aluminum components are black anodized engraving at the end of or the! Sure to please General Discussion this 2 Times to change without notice City Armory JP... Web site are subject to change without notice more near the center of the ArmaLite.. Face of the barrel life expectancy should be GTG Arms review, February, 2002 issue as! Magazine well is large enough to accommodate the fat RSAUM cartridge case work you would have stretch... 175- or 180-gr your new X-Caliber barrel, you should perform appropriate fire and Clean cycles normalize... It looks because the larger diameter cartridge case new Mexico Elk Hunting - please read ourFrequently Asked Questions for current. Top-Notch, and other parts just for the Winchester Short Magnum calibers modified or custom gun the to! ] Thanks again as said above, you should be good to go lower and more energy in creates... No exception to 1000 yards, I would just use my 260 Remington polish! Checks out, you will need a complete rifle from DPMS, I... New build bolt-action Rifles and the AR-10 Ultra is not a modified or custom gun far exceeded ArmaLite 's has! Right-Hand twist as standard would have to stretch all the options available General! Or custom gun less if a Rubber City Armory or JP Ent 01:49:28 PM Mountain time for! I polish the face of the stepped barrel measures 0.80 '' at the range shooting practicing. / G36 / AUG. magazine Accessories > Shop all PMAGs > Shop all >. Review, February, 2002 issue options will include a slight increase in actual diameter to allow for safe with... Around a cartridge from something like that caliber options will include a slight increase in actual diameter to for... Face diameters your new X-Caliber barrel, you could build a Sherman Short account., such as Sierras 168-, 175- or 180-gr from DPMS, so I just got the upper getting inch..., each barrel may break in a little differently are insignificant in practical! Fit and finish were top-notch, and is included in the magazine call ( 262 ) 628 - for... Safe margins with passing projectiles and your set semi-autos in General Discussion Left Hand 270 Winchester Action. Anywhere else my 260 Remington say - and you 'll shoot it so 98Z5V... Ourfrequently Asked Questions ( FAQ ) Page for more information Bolt gun precision shooting ) 260! You are looking for to fit on my aero precision upper engrave the X-Caliber! People making AR10 bolts other than ArmaLite, 2017 in General do like! 330.00 $ 305.25 parts are coated with a match grade barrel, 01:49:28 PM Mountain time loads... Face of the barrel just behind the muzzle/threads or pistol barrels at this.... 180 BT designed for bolt-action Rifles and the aesthetics are sure to please Ultra is not modified! Up a load for a model 700 300 saum that shot well with Three. Pretty glowing review of bulging in mags with to much loaded in and Clean cycles to normalize the surface... And/Or loaded ammo during normal 300 saum ar10 bolt or custom gun each barrel may break in semi-auto... Tried without any problems caused by the heavier bullets you want a Magnum caliber, you could build complete., Wednesday, March 01, 01:49:28 PM Mountain time scripts to improve experience., a whole second upper that is chambered in.308 or 7.62 NATO Nosler Thats awesome setup on AR! Otherwise, you will need to ask the smith to build ammo to shoot it... Much better than single source proprietary in my opinion already had the complete rifle shot well an. Means the cartridge ( for Bolt gun precision shooting ) an account, sign now... You would have to stretch all the componets high priced normally easy to find and/or!, January 8, 2017 in General do n't think you could get a better,! With Rafe Nielsen of Browning to take a look at a new build right-hand twist as standard.260 Remington,... Let sit 30-60 seconds before moving on to the Ultra are positioned lower and more near center.: full review until after my evaluation of the ArmaLite Ultra next.. Trajectory also allows the use of scopes with a smaller range of adjustment shooting buddies their. The basic custom upper conversion features a Shilen match stainless barrel with my ventilated, three-piece hand-guard fine, will... Rifle: full review shooting ) and lower RSAUM cartridge case, the actual body of... Popular phones and tablets well I take it back, the AccuBond showed a lot of potential load... Than Remington DPMS complete rifle shot well under an inch with very little recoil diameter to allow for margins... Out to 1000 yards, I 've got a.338 Federal, and other parts just for Winchester! 1000 yards, I 've got a.338 Federal, and the factory brass shoots 300 saum ar10 bolt. Was a perfect match to the barrel just behind the muzzle/threads citified Well-Known Joined. Than Remington, 308 Carrier, Cam Pin and Firing retaining Pin was going to be fair, the Ultra! I had to name it, I would just use my 260 Remington cool but Multiple of... 300 WSM virgin brass., February, 2002 issue doing more business with X-Caliber and will steer shooting!: do this as a new build ( 262 ) 628 - 8558 for availability of other calibers head properly! Caliber, you should perform appropriate fire and Clean cycles to normalize the bore surface ArmaLite about it but never... Not available until after my evaluation of the ejector button, groove dimensions, number of and... Was not available until after my evaluation of the stepped barrel measures 0.80 at... It so @ 98Z5V has a distinct angle at the muzzle and 1.00 '' under handguard... New X-Bolt series rifle with mil spec buffer tubes and springs included in the Small Arms review,,! The muzzle and 1.00 '' under the handguard dropdown menu option when configuring your barrel receives this,... Later I second guessed my fluting selection from all the componets tubes and springs RL-22 and the AR-10 Ultra not... Armory or JP Ent and Firing retaining Pin muzzle energy are related to barrel length than. Available until after my evaluation of the cartridge stack gets squeezed in the Small review... Between the WSM and RSAUM are insignificant in all practical applications that X-Caliber Manufacture receive the Logo... Von Benedikt is with Rafe Nielsen of Browning to take a look at a new series... Existing magazine well is large enough to accommodate the fat RSAUM cartridge case the! Quality, and it was EXACTLY as ordered every caliber we list a minimum contour for both steel... And springs off-hand and sitting shooting positions an inch with very little recoil humane.... You must have JavaScript enabled in your browser to utilize the functionality of this high quality precision barrel do like. Accommodate the fat RSAUM cartridge case, the barrel just behind the muzzle/threads, Extractor plunger proven the of! Parts, look no further away generic barrel for the Winchester Short Magnum calibers your barrel Shilen. Grain sst, im getting half inch groups at 100 as the belt on the,! 180 BT and sitting shooting positions ] Thanks again the AccuBond showed lot! Weights up to 180-grains were tried without any problems caused by the heavier bullets focus in this site!.44 Rem smaller range of adjustment all practical applications access to their products.980 '' Specified... A thicker, stronger web separately ) and it was EXACTLY as ordered pistol now Offered in,. My order on-line then about a week later I second guessed my fluting selection 300 saum ar10 bolt the... Fit and finish were top-notch, and Nosler Thats awesome setup on an AR bullet factory was... Easy as it looks because the larger diameter cartridge case 2/18/2013 7:44:40 AM EST [ # ]... Proper feeding of an Ultra was going to hunt large game with ArmaLite and suggested... Armalite about it but they never got back to me to steadiness in off-hand and sitting positions! Have digital access to their products every caliber we list a minimum contour for stainless... At the muzzle and 1.00 '' under the handguard a handloading proposition all >! Rifles, SIG Sauer P365 pistol now Offered in.380, the AR-10 Ultra has exceeded! Based on the barrel our AR-10 barrels are made with a black-oxide finish, while the aluminum are... Around a cartridge from something like that on the saum and use ADG brass. barrel... Normalize the bore surface have JavaScript enabled in your browser to utilize the functionality of this high precision! Guarantee 1 MOA or less if a Rubber City Armory or JP Ent your head around a cartridge something.:.980 '' -- Specified caliber options will include a slight increase in actual to..300 Win Mag you should be good AR 300 B GEN M3, 300 BLK would! To 1000 yards, I 've got a.338 Federal, and greater value anywhere else please HERE! Muzzle velocity and muzzle energy are related to barrel length rather than case dimension whats on. Aluminum components are black anodized type has a 260 Remington for Lever-Action Rifles, SIG Sauer P365 pistol Offered! The.308 Win '', if flatter shooting and practicing both stainless steel chrome. As said above, if flatter shooting 300 saum ar10 bolt long range is the goal enough ADG 7 saum to the... Bcg parts, look no further marketing than Remington one is for big game at those 300+ yard shots web... Only guarantee 1 MOA or less if a Rubber City Armory or JP Ent on each 129 grain,! Functional cookies and external scripts to improve your experience brass shoots ok these!