And be sure to snag a bufferless Picatinny end lower receiver. However, subsonic 300blk tends to be pretty good about letting the operator breathe, depending on manufacturer. With that said, all of the options on this list are good, and we think you could make a great pistol or rifle out of any of them: we recommend thinking about the parts you already have and what you want to do with them before making a purchase. 16" 556/223 Upper With 15" MLOK Handguard (0) $295.99 On sale: $270.63 Sale Out of Stock. My first ar 15 was on of their rf15. Take deep dive into AR barrels with our barrel guide. Deals Den You can choose whether to take a bolt carrier group and charging handle or not. Ships out in 2 days on all Non-FFL items, 6 days for FFL items. a huge part of .300blk's appeal is the ability to spit out heavy ass bullets at a pretty low velocity, probably cycling issues with subs/suppressors. DS-15 Complete Upper 7.5" Typhoon 5.56 Threaded Black $ 799.95. The password should contain at least 8 characters with at least one number or special character. upper and lower at a price cheaper than any previous AR Buildvery satisfied with the quality of each component. What are your favorite .300 BLK upper receivers? Learn More. The 110-grain rounds are supersonic, and the 220 subsonic. Quick View. UPPERS, AR-15, 5.56. anything extra and your $99.99 $71.99 Sale. SBR? My wife purchased a bear creek Arsenal .300 blk for my 36th birthday this past December 14. Besides the easy conversion between 5.56 and .300 BLK, the .300 BLK does a lot the 5.56 can't. First off, it's a very versatile load with projectiles weights ranging from 110 grains to 220 grains. G19; 1911.300 Blackout.300 Blackout Complete Uppers . Pair of .300 BLK Uppers Summary of Our Top Picks Most Affordable PSA .300 Blackout Uppers PSA does it again with sub-$200 uppers that work. Don't stop with just the AR-15 upper receiver though. Hi, I'm Eric Hung and I got into guns when I was around 25 and started with YouTube videos, scouring forums, and eventually taking a bunch of classes. What handguard/upper is the bottom most picture with the 2 rifles? We hate SPAM and promise to keep your email address safe. Shoot a large variety of grain weights with exceptionally well performance with subsonic ammo and suppressors. Also, youll want to consider what muzzle devices you want to try out. If youre in the market for a quality upper and are bored with shopping big-boy retailers, check out Pro2A Tactical. While the .223/5.56 NATO (yellow mag) generally runs 55 to 77-grain bullets, the chunky .300 BLK (black mag) starts at about 100 and goes all the way up to around 220-grains. Enjoying your AR reviews. Grid View List View Sort AAC 300 Blackout Ammo 125 Grain FMJ w/ JAG Head Stamp, 300rds $179.85 Add to Cart Select what level shooter you are! It is also much more maneuverable in tight conditions. Its short and sweet and perfect for a .300 BLK pistol or SBR. Pair your 300 Blackout upper with an upgraded Blackout barrel to create an even more unique firearm. Bushmaster has you covered on your next AR build or upgrading project chambered in 5.56mm, .300 Blackout, or 7.62mm. 300 Blackout uses the same bolt carrier group (BCG), lower, and magazines as 5.56 NATO and 223 Remington, making it extremely easy to add a new caliber to your arsenal! The 10.3" BA upper is the basis of my truck gun build. We asked Clint Hanson, the founder of Ballistic Advantage, and his go-to barrel length is 10. inches for reliability. Add to cart. .300 Blackout and .308 are both popular rounds used in AR-10 style rifles. Need a dedicated optic for the .300 BLK drops? 2016-2023 ALL RIGHTS RESERVED. It had virtually no slop, and in some cases had a tighter fit than factory uppers. The AR world is absolutely massive, and you can chamber an AR in everything from .22 LR to .45-70 Government. CLICK HERE For military and law-enforcement applications, a .300 Blackout-chambered M4 is a marvelous sub-gun replacement, with a cartridge considerably more effective than a 9mm pistol-caliber MP5. .300 AAC Blackout Chamber. PSA is also, generally, one of the most budget-friendly options. 300 blackout; 308 winchester; 450 bushmaster; 458 socom; 6.5 creedmoor; 6.5 grendel; 7.62x39mm; 9mm; . I have a Radial 8.5" 300blk and it is a nice tight fit on a Areo M4E1 (No need for tension set screw) It shoots straight out to 50yds/ 1.5" group free standing, bench rest 100yds / 3.5" group but I blame the shooter. Get proficient on YOUR time. Palmetto State Armory 10.5" Complete Upper Receiver Kit. Shoot a large variety of grain weights with exceptionally well performance with subsonic ammo and suppressors. Select options. Check. Sale! Tests by AAC way back in 2012 (and of course, ballistics have improved since then) demonstrated that the .300 BLK could still be effective out to 440 yards when fired from a barrel as short as 9-inches, making it ideal for use in AR pistols. We have a great selection from the top brands at a price that is hard to beat. One pistol and one rifle. I would stay here again for no other reason than the blackout curtains that left the room in complete dark. Working with them is more like shopping at your LGS than Cabelas, and I think supporting small business is something we can all get behind. Great investment all around! I have a PWS piston upper in 300blk. But, inside of 200 yards, youll be hitting well above the weight of a 5.56mm. I love Ballistic Advantage 5.56 barrels (full review) for the right mix of performance and affordability. BC-15 | .300 Blackout Right Side Charging Upper | 8.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 6.5" MLOK 20 Reviews $234.99 Add to Cart BC-15 | .300 Blackout Left Side Charging Upper | 7.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 6.5" MLOK 11 Reviews $249.99 Add to Cart Items 1 to 10 of 20 total 1 2 There are virtually no markings on the upper other than the barrel and Cerro Forge keyhole marking. Customize your 300 BLACKOUT Complete Upper with an optic, muzzle device, rail, bolt carrier group, magazine, or charging handle from our matched selection. Your Price: $450.49. M5E1 Assembled Upper 20" 6.5 Creedmoor SS Rifle Barrel M-LOK 15 HG - Anodized . Once you go under 8 inches or so, you can run into cycling issues since the .300 BLK is a low-pressure round. . All. Subscribe to Pew Pew Tactical's sales and deals email. . The .308 is a larger round, providing more energy and penetration than the .223/5.56 round. Copyright 2022 Bear Creek Arsenal, LLC. guns & My end use is a competition rifle pushing a 175 gn Sierra Matchking at 1900 fps or a 155 at 2100 fps with no suppressor. My gunsmith is just finishing up my 20 inch 300 Whisper barrel. Review of Hotel Beer. Using standard 5.56mm magazines and bolts, the 300S is able to deliver .30 caliber ammunition with greater muzzle energy than comparable 5.56mm rifles. That means that the lower you put it on has to have been registered as a pistol when it was made and that you cannot put a stock or a forward pistol grip on it. Can we get an updated for 2022 article? Since .300 Blackout does best out of shorter barrels, well be recommending AR pistols as final builds. It carries a silencer central can and my property is super densely forested very few clear long shots so this is absolutely perfect for me. BCM Standard 20 Government Profile Upper Receiver Group $439.00 Out of Stock. $364.99. Out of stock. 8.5" 300 blackout ar-15 barreled upper - mas defense squadron 9.87" lightweight quad rail - fde msrp: $425.00. Thanks for subscribing to our newsletter! The circa 2011 Advanced Armament Company's .300 Blackout AR-15 platform, achieving impressive performance from just a 9-inch barreled SBR. Interested in a one-stamp, integrally-suppressed blackout upper. We also have AR-15 uppers in pistol calibers like 9mm, 40 S&W and 45 ACP. 16" 556 Upper with 15" MLOK Hand Guard (0) $295.99 On sale: $275.95 Sale Out of Stock. It may be on the heavier side because they like heavy barrel profiles, but there's Faxon with a pencil barrel if you want it to lose weight. Holosun H510C Reflex Sight - FDE. Smith and Wesson have been getting into the AR game really seriously in the past ten years, so its great to see them selling an upper in .300 Blackout as well. Get your .300 BLK barrel and build your AR pistol today. Rainier Arms specializes in high-end AR15 parts, AR15 accessories, AR15 grips, AR15 stocks, AR15 uppers, AR15 lowers, AR15 barrels and much more. UPPERS, AR-15, 5.56. To be fair, we certainly like the 5.56mm: its a capable round thats lightweight, shoots reasonably straight out to about 500 yards, and has been getting the job done since Vietnam. Davidson Defense Premium Left Handed M16 AR-15 Black Nitride Finish Bolt . BC-15 | .300 Blackout Upper | 10.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 9.5" MLOK 43 Reviews $249.99 Add to Cart BC-15 | .300 Blackout | 7.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System 6 Reviews $68.99 Add to Cart Load next We Recommend These Products Just For You! And its held up great. A subsonic round is much easier to suppress and much quieter when suppressed. This upper from the folks at Daniel Defense is certainly no exception to their quality. LAR-15M .300 AAC Uppers. In addition, the receiver itself is built out of 7075-T6 aluminum and has a hard-coated anodized finish. Otherwise barrel length doesn't matter, when you start with a "pistol lower" kit. PRO2A 9" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can. Unfortunately, the item(s) selected is out of stock. 300 Blackout Uppers | 300 ACC BLK Uppers from Top Brands like Aero Precision, Radical Firearms & More, 300 Blackout Uppers | 300 ACC BLK Uppers from Top Brands like Aero Precision, Radical Firearms & More, 164 products / 697models. http://www.pewpewtactical.com/go/aero/aero-precision-300-blk-upper/. The 5.56 requires a 20-inch barrel to reach peak ballistic performance. Davidson Defense "Golden Eagle" AR-15 Upper Receiver 16" .300 Blackout 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled) $504.99 $219.99 Sale In Stock. My Cart. Thanks! The 10.3-inch length is not too short and not too long from an all-around/fit every human size standpoint because you have to figure in the handguard and potential suppressor length. 16" 9mm Upper with 12" MLOK Slim Handguard (0) $310.99 On sale: $279.95 Sale Out of Stock. Learn more at. For the best experience on our site, be sure to turn on Javascript in your browser. Radical Firearms .300 AAC Blackout Upper Assembly. I have one of these and wouldnt think twice about buying it again. 13.7 GEN 3 INFIDEL UPPER $ . Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group. Sig is attaching these to the new Army rifles running 6.5. Here are some pictures that more clearly show it happening: Cut-Away and article, https://uploads.tapatalk-cdn.com/20160501/d175a60f384060cfabc4c555b349fd4f.jpg. In addition to its performance characteristics, one of the major contributors to the .300 Blackouts popularity is its compatibility with existing 5.56/223 AR-15 rifle components. I haven't tried it, but it seems implausable. 0. 300 seems to be heating up again and with the eform form 4, suppressors (and calibers that are easily suppressed) are also popular. Legacy Reviews were written prior to the latest upgrade of our Review System. Copyright 2023 Pew Pew Media, Inc. All rights reserved. The model is MK1 Pro. Get It. But I will make sure to put this on the list to get to it sooner rather than later. LAR-15M Complete Upper Halves .300 AAC Blackout. May I suggest: reviews of side-charge-handle AR uppers. It has a longer range than .300. I bought the 8.5" Radical Arms upper for my SBR. Quick View. Weve built dozens of ARs and well cover all the best AR-15 upgrades such as handguards, triggers, BCGs, gas blocks, and more. . JavaScript seems to be disabled in your browser. Your bolt carrier groups, upper and lower receivers, magazines, rails, and the like work just as well with the .300 BLK as your 5.56 NATO rounds. It costs less than equivalent uppers from some major brands. This pistol runs flawlessly. Its been flawless with all different types of .300 BLK ammo. 300 blackout is designed as an SBR suppressed cartridge you have no need for a barrel longer than 16. The MCX upper has some cool features: - 6.75" Cold Hammer Forged Barrel. . One such round is the .300 Blackout. I soaked up as much information as I could online, at competitions, and from tinkering in my workshop. Find a Dealer; Shop AR15; Shop M5/AR308; About Us. Personalize your experience. When it comes to a bad-breath-distance engagement, we want a .300 blackout. 877-556-GUNS. LAR-9M Complete Upper Halves .9mm Luger. And stay in touch with newsletters of our best articles on techniques, guns, & gear. DS-15 Complete Upper 16" Typhoon .300 Blackout Non-Threaded Black $ 799.95. BCM Standard 14.5" M4 (SOCOM) Upper Receiver Group W/QRF 7 Quad Rail $610.00 .300 BLK Uppers; 8 Items . Instead, we want a short-barreled rifle or pistol that, especially when paired with a suppressor or muzzle brake, can lead to a handy and quiet rifle that still makes more impact than a 9mm, and in most cases, more than 5.56mm. Rated 4.60 out of 5 $ 219.99 $ 219.99 Select options Quick View. . It is built around a 16 inch, 4150 chrome moly barrel that is chambered in 300 Blackout and has a black nitride finish. Get Our Top Shooting Drills and Zeroing Targets ($47 value - but FREE for a limited time). Your 300 BLACKOUT AR 15 Upper Receiver will arrive turn-key and ready to shoot out of the box. to cause cancer, birth defects or other reproductive harm. The uppers all feature different-length handguards that accommodate the mounted flash suppressor. By subscribing to Bear Creek Arsenal (BCA) text messaging on 87462, you agree to receive recurring autodialed marketing text msgs (e.g. Headspaced checked out good. I just built a Classic Firearms (Bear Creek Arsenal) .300blk 16" stainless barrel with an Anderson upper. From steel-cased Wolf range ammo to brass supersonic and 220gr subsonic rounds. We also love their 5.56 uppers check out the, Check out more calibers and everything AR in the. In stock (Only 6 left!) Nav Menu 6. This would be for an 8" barrel. On a DD lower this thing is GREAT. For pistol uppers, Palmetto State Armory has put together a sweet offering here. I haven't seen any, sorry. Luckily, we carry one of the biggest supplies of 300 BLK uppers at some of the best prices on the market. DS-15 Complete Upper 16" MOE .300 Blackout Threaded Black $ 599.95. BCM 11.5 (ELW-F) Upper Receiver Group (standard) MCMR 10 MLOK $708.00 Out of Stock. Both rifles are Wilson Combat, I'm not sure if those exact ones are still made though. Rifle? No failures of any kind. I built a .300 in a A2 dissipator configuration, using a pistol length gas system. UPPERS. The .300 Blackout was engineered from the ground up for the AR platform and it does not disappoint. We all have a budget to live and die by, and recognizing that, Id suggest any of the .300 BLK options from Radical firearms. American Firearms was established by firearm fans for firearm fans as a modern-day take on all things that go BOOM. 7.5 Zombie Thumper Assembled AR-15 Upper (5.56 or 300 Blackout) Rated 4.90 out of 5 $ 249.99 $ 229.99. Radical firearms also produce their uppers in a wide variety of configurations. I swapped a few uppers out with the Pro2A and was surprised by how well it locked up with my various lowers. The Faxon Firearms AR-15 Barrels .300 Blackout Gunner Profile comes in three distinct barrel lengths, two pistol barrels at 7.5 and 10.5 and a legal carbine 16 barrel. Enter your email address for special offers from MAS Defense LLC, ATF Rule 2021R-05F - 80% Lowers 09-27-2022, ATF Rule 2021R-05F - 80% Pistol Frame Update 12-27-2022, ATF Rule 2021R-08 - Stabilizing Braces 12/28/2022, 6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT, 6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL, 6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 7.25" M-LOK RAIL, 6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL - FDE, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL - FDE, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 7.25" M-LOK RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 9.87" M-LOK RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL - FDE, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL - FDE, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT, 7.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 12" LIGHTWEIGHT QUAD RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL - FDE, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL - FDE, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 7.25" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 9.87" M-LOK RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 7" LIGHTWEIGHT QUAD RAIL - FDE, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL, 8.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL - FDE, 9.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE 12.62" MW8 OCTAGON M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE MIL SPEC BARREL NUT, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL - FDE, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL - FDE, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 9.87" M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 12.62" M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE 12.62" MW8 OCTAGON M-LOK RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL - FDE, 10.5" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 12" LIGHTWEIGHT QUAD RAIL. Description. shooting 5.56 in a 300blk will not explode - but your guess is as good as mine where the bullet goes . News people Radial pistol uppers are good to go for what they are designed to do. 2022 S CROCKETT People talk down about Radial like they are junk. Add to Cart. Weve got a dedicated section for the AR-15 here. Check out our full review of the 16 5.56 version. Rainier Arms on Facebook . Products [55] Sort by: Submit. So, in trying to develop a round that hits harder at short ranges, as well as suppresses supremely well, youll want to take a look at the .300 BLK. MEDIA; Nav Menu 3. (, We noticed that you have previously logged in with your, Check what do you get by creating an account, Bookmark and compare your favorite firearms, While thats cool when it happens, whats even cooler is when rounds are, First off, its a very versatile load with, I wont dive too deep into the 5.56 vs. .300 Blackout debate because, A 10-inch barrel on an AR pistol or a short-barreled. Notify me of exclusive sales and special promotions. Click on the name to head to the product page, read reviews and check prices or skip ahead to the list of uppers. Because it moves slower, its also a lot quieter: this makes .300 blackout a great choice for a good flash suppressor, a silencer, or a muzzle brake, which requires a threaded barrel. bolt carrier group (BCG), lower, and magazines as 5.56 NATO and 223 Remington, making it extremely easy to add a new caliber to your arsenal! Please note: Do you want to continue without logging in? As you can see in the image above, bad things can happen when you load the wrong cartridge into your rifle. Payment sent. [email protected] US. I became my group's "gun guy" and everyone who had questions came to me. The .300 Blackout carries a .30-caliber bullet that offers greater mass than a .223 Remington's .22-caliber projectile. One of the many things they cover is the .300 BLK in uppers of all sizes, from 7.5-inch barrels all the way to 16-inch barrels, with every standard size in between. The 5.56mm upper has a 10.5-inch barrel, while the .300 Blackout upper employs a 10-inch barrel (though, it utilizes a 1/2-inch longer suppressor core to even out the lengths between the two options). Indoors and out of short barrels, the 5.56mm makes a ton of noise and even more flash, so its really not engineered for CQB or urban combat at all. Sign up for our newsletter for exclusive promotions and a coupon for 10% off an order! This upper is ideal for tactical and hunting purposes. Javascript is disabled on your browser. BCM. The store will not work correctly in the case when cookies are disabled. Go the folded brace route with a BRN-180 upper. The upper pairs a Tactical Kinetics 10-inch 4150 Chrome Moly Vanadium Steel, 1:8 barrel with a 9-inch M-LOK Free Floated handguard from Axis MFG built around a 7075-T6 upper receiver, all of which gives the Pro2A Tactical upper a very spartan look. No votes yet. I was surprized how tight the Pro2A upper fit with my various pistol lowers. AR15Parts.com Copyright 2023 American Firearms LLC. We'll only use the information provided according to our privacy policy. $509.00 $369.00. Same story with my 16" rifle. Reply HELP for help and STOP to cancel. We found the image on the Wilson Combat website several years ago, they do not seem to be available anymore. INTEGRALLY SUPPRESSED . The short, stubby round, the .300 BLK, gives you improved performance over the 7.62x39mm at 300 yards. Still need? Type your email address and well send I made some half inch thick targets of steel at varying design and man the rifle makes em sing!! If you have ever fired an AR in 5.56mm indoors, whether a range or in some other circumstance, you know that it is, in fact, a seriously bad time for you and anyone north of the barrel in terms of sound, flash, and concussion. (Limited Time Offer), Get the latest updates on new products and upcoming sales, Browse by Barrel Length, Barrel Style & more, AR-15 Bolt Carrier Groups and Charging Handles, Flash Hiders, Suppressors, and Compensators, Gas Blocks, Gas Tubes, and Front Sight Bases, BCM Upper Groups with KMR (KeyMod) Handguards, BCM Upper Groups with (M-LOK) MCMR Handguards, BCM Upper Groups with QRF (Quad Rail Forend), Armorers Tools, Cleaning, Lubrication, etc, All Armorers Tools, Cleaning, Lubrication, etc, BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ MCMR-8 Handguard, BCM MK2 Standard 9" 300 BLACKOUT Upper Receiver Group w/ MCMR-8 Handguard, BCM Standard 7" 300 BLACKOUT Upper Receiver Group w/ MCMR-5 Handguard, BCM MK2 Standard 16" 300 BLACKOUT Upper Receiver Group w/ MCMR-15 Handguard, BCM Standard 16" 300 BLACKOUT Upper Receiver Group w/ MCMR-15 Handguard, BCM MK2 Standard 12.5" 300 BLACKOUT Upper Receiver Group w/ MCMR-10 Handguard, BCM MK2 Standard 9" 300 BLACKOUT Upper Receiver Group w/ KMR-A8 Handguard, BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ KMR-A8 Handguard, BCM Standard 12.5" 300 BLACKOUT Upper Receiver Group w/ MCMR-10 Handguard, BCM Standard 16" 300 BLACKOUT Upper Receiver Group w/ MCMR-13 Handguard, BCM MK2 Standard 9" 300 BLACKOUT Upper Receiver Group w/ QRF-8 Handguard, BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ QRF-8 Handguard, BCM MK2 Standard 12.5" 300 BLACKOUT Upper Receiver Group w/ KMR-A10 Handguard, BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ MCMR-7 Handguard, BCM Standard 16" 300 BLACKOUT Upper Receiver Group w/ KMR-A15 Handguard, BCM Standard 7" 300 BLACKOUT Upper Receiver Group w/ KMR-A5 Handguard, BCM MK2 Standard 16" 300 BLACKOUT Upper Receiver Group w/ KMR-A15 Handguard, BCM Standard 12.5" 300 BLACKOUT Upper Receiver Group w/ KMR-A10 Handguard, BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ KMR-A7 Handguard, BCM MK2 Standard 16" 300 BLACKOUT Upper Receiver Group w/ QRF-12 Handguard, BCM Standard 16" 300 BLACKOUT Upper Receiver Group w/ KMR-A13 Handguard, BCM MK2 Standard 16" 300 BLACKOUT Upper Receiver Group w/ KMR-A13 Handguard, BCM Standard 16" 300 BLACKOUT Upper Receiver Group w/ QRF-12 Handguard, BCM Standard 12.5" 300 BLACKOUT Upper Receiver Group w/ QRF-10 Handguard. 300 HAM'R leads the way. Any ole 300blk pistol upper from PSA at that length will work just fine. Shop BCM 300 Blackout AR uppers. Please update your specifications to see more results. While thats cool when it happens, whats even cooler is when rounds are designed specifically for the AR platform. The AR is often adapted to function in calibers it was never designed for shooting. Out of stock. Shop Aero Precision. BCM BFH 16" Mid Length (Light Weight) Upper Receiver Group w/ MCMR-15 Handguard $780.00 Out of Stock. It's everything 300 Blackout supersonic wishes it was. Nav Menu 7. Add to cart. In standard 5.56mm, ARs will hit peak burn out of about a 16 barrel, with 14.5 as short as you can go with a 5.56 barrel and still get performant terminal ballistics, complete powder burn, and a lack of a fireball. I suspect the market for that is just too low. Cant beat it. This is a well-documented issue with .300 BLK and 5.56. I wont dive too deep into the 5.56 vs. .300 Blackout debate because we have an article on that. (L to R) 5.56 NATO, .300 BLK, .30 Carbine. ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER WITH STAINLESS STEEL BARREL - BLEMISHED $279.00 ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - RIDGEWAY BLUE Now: $219.00 Was: $299.00 ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - SMITH & WESSON RED Now: $219.00 Was: $299.00 Now: $219.00 Was: $299.00 The PSA 8.5 .300 Blackout is a solid upper receiver if you are looking for a compact pistol length option. Conclusion. Aero Precision M4E1 Enhanced 16" .300 Blackout Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M14. All our side charging and standard charging 300 blackout uppers are compatible with mil-spec AR-15 lowers and come with a limited lifetime warranty. While not pistol-length, my DDM4A1 uses the same quad-rail, and it's worth every penny. But at their price point I can buy a complete upper for the cost of a barrel from other name brands. Those longer barrels make them more cumbersome when it comes to close-range applications like home defense. Anything that makes them stand out? Hey Chris, we're slowly making our way through updates on older articles. cart reminders) to the mobile number used at opt-in. Home > PRODUCTS > BARRELED UPPER (NO BCG/CH) > .300 BLACKOUT: MHR RPR Like Radical Firearms on Facebook. Really, the biggest change is the barrel and the gas system. Add To Cart. For the best experience on our site, be sure to turn on Javascript in your browser. To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser. Out of stock. . Of course, the 9mm approach is only a stopgap measure that lacks stopping power at range. I have one of their left handed ARs. For my suppressed home build, I went with a 9-inch Modern Series barrel for something slightly shorter but still reliable. The fit and finish are excellent, and the 10.5-inch barrel is about the perfect length for a .300 BLK pistol. towards your level. Compatible with almost every 5.56/223 AR-15 part, .300 Blackout uppers are becoming a popular choice among AR-15 enthusiasts. Close. Show Filters Showing all 12 results. You'll now receive newsletters of our best articles on techniques, 5.25" 9mm; 8" 9mm; 11" 9mm; . Read on to see how to get your standard 5.56 AR-15 ready to use .300 BLK. that accommodate the mounted flash suppressor. At barrels this short there is no room for error, so a suppressor paired with a hand stop gives you more stability to work with. Shorter barrel lengths are excellent for close-quarters engagements making a .300 blackout rifle or pistol a great option for home defense, but youll want to protect your hearing with a suppressor or some other muzzle device. the next step on your AR is to upgrade to a 300 Blackout upper, Ghost Uppers from ghost firearms. This question comes up a lotand the answer varies depending on your end use and if youre using a suppressor.