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Just make sure and meet ATF's guidelines for AR-15 pistols. Silencers (obviously not a gun, but the federal government legally considers them guns, hurr durr), This process would be legally considered building a short-barreled rifle, and if you want to do this, you need to go through the process of applying for an NFA firearm, To jump through the NFA hoops, you need to fill out and submit, The NFA rules dont apply to rifles that have a. Barre.. AR-15 300 BLK 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY / MLO AR-15 300 BLK 10.5" Walking Dead pistol upper assembly includes:Barrel - 10.5" 4150 CMV hbar/heavy contour barrel. The good news is that this is mostly an issue with 5.56/.223 AR-15 uppers, not with 300 Blackout uppers. This neat little feature stems from how the AR-15 rifle is constructed. We also offer an extensive line of AR-15 shooting accessories and gun parts, all at great low prices and made in the USA. 300 Blackout Complete Upper Receivers (AR-15) - BCM - Bravo Company USA Barrel including bore and chamber is nitrided. The whole package also weighs in at only 2.2 pounds without the bolt carrier group and the charging handle. 300 Blackout | Moriarti Armaments All Rights Reserved. When choosing a 300 Blackout upper, you need to ask yourself three questions: If you want an upper receiver group that works right out of the box, buy a complete upper with bolt-carrier group and charging handle. The 9-inch barrel allows you to reach the max potential of the .300 Blackout cartridge while retaining a shorter length when suppressed. You might be able to call them to see if it is still in stock, if they . The outside of the barrel is coated in a manganese-phosphate finish, which is similar to nitriding and wards off pitting, rust, and scratching. And the best 300 Blackout upper for the money is the BCM 9-inch MCMR-8. Carbine length gas system. 10.5" 300 Blackout AAC AR-15 Pistol Upper with a 7" Free Float Quad-Rail $ 379.00 $ 199.95. Really, the biggest change is the barrel and the gas system. Unless you have a specific reason to go with a proprietary system, I suggest you stick with the tried and true options of M-Lok, Keymod, and Picatinny. Braces dont feel quite the same, but the differences are small enough that most people would rather just buy or build a pistol AR. PSA is also, generally, one of the most budget-friendly options. Just drop an upper on your standard mil-spec AR-15 lower, and .. AR-15 300 AAC blackout 16" stainless steel straight fluted tactical AR-15 300 AAC blackout 7.5" nitride upper assembly / Mlok / Multiport is a perfect addition to your AR pistol. From steel-cased Wolf range ammo to brass supersonic and 220gr subsonic rounds. BCM has a reputation for providing products that are on par with much more expensive companies for a more reasonable price, and this upper is a good example. The bottom line is that if you have a particular charging handle or bolt-carrier group youd like to use with your new 300 Blackout upper, try to find an upper that doesnt come with these parts. . You can get in touch with our representatives today to learn more about our products and services or simply talk to us about your next quality AR rifle or build. BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ MCMR-8 Handguard BCM MSRP: $984.50 Your Price: $731.45 (You save $253.05 ) (50 reviews) SKU: BCM-URG-300BLK-9-MCMR-8 Maximum Purchase: 10 units Caliber: 300 BLK Barrel Length: 9in Barrel Style: Standard Handguard: MCMR-8 This unit functions perfectly well with both subsonic and supersonic rounds. The NFA rules dont apply to rifles that have a pistol stabilizing brace (usually just called a brace) which looks like this .
