Advanced Armament Ar-15/M16 Upper Receivers
We found a great deal on the Advanced Armament Ar-15/M16 Upper Receivers for only $950 at Brownells.
Enhanced upper receiver is everything you need to convert your AR carbine or pistol to the exciting new 300 AAC Blackout (300 BLK) round. Features a nitrided, 1-7 twist barrel with M4 feed cuts, a Knight’s Armament URX free-floating handguard, and AAC’S 51T flash suppressor. 51T accepts the AAC 762-SDN-6 sound suppressor to make the gun nearly silent when used with subsonic ammunition. The nitride treated bore and chamber provide excellent corrosion resistance and a longer service life than standard chrome-lined barrels, and the full-profile M16 bolt/carrier group allows these uppers to function on a full-auto M16 lower as well as on semi-auto guns. Available with standard 16&qu Mfg: Advanced Armament SPECS: Receiver Aluminum, M4 Feedramps, Picatinny Top Rail, Matte Black Anodizing, M16 Bolt Carrier Group. Handguards Freefloat URX II (12.5″ and 16″) or URX III (9″). Barrel 16″ or 9″ nitride 300 Blackout, 5/8-24 threaded muzzle, 1-7 twist, 51T
