About This Assembled Upper: This BCA AR-15 complete .22 magnum length upper has a 10.5" heavy barrel with a parkerized finish, and features a 1:16 twist rate. It includes a 9.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (gen 2) handle (patent pending). This .22 mag upper is compatible with any mil-spec AR-15 lower with a rounded hammer and this upper includes a 10 rd Black Dog mag and buffer spring and buffer.
Upper: .22 Magnum is a high-velocity round that is an extremely accurate and flat shooting target shooter and varmint hunter. Our .22 Magnum is compatible with mil-spec parts.
Barrel: This Upper Features A 10.5" Parkerized .22 Magnum Heavy Barrel. This Barrel Incorporates a Blowback System for Reliable Operation with a wide variety of Lower Configurations and is threaded for 1/2x28 Muzzle Devices.
Muzzle Device: Including A 1/2x28 Phosphate Birdcage Muzzle. On Such a Short Package, the Birdcage Flash Hider is Great at Reducing the Signature of Such a Hot Cartridge.
BCG: This Upper Also Includes A BCA .22 Magnum Nitride Bolt Carrier Group.
Charging Handle: Also Including A Standard Side-Charging Handle.