ABC RIFLE COMPANY AR-15 .300 AAC Blackout Pistol M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle

ABC RIFLE COMPANY AR-15 .300 AAC Blackout Pistol M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle. This upper features a rugged 7075-T6 forged receiver paired with a 7.5 in 6061-T6 M-LOK handguard for solid accessory mounting in a compact form. The 7.5 in 4140 chromoly barrel with a 1:8 twist, chambered in .300 AAC Blackout, delivers balanced performance and reliable accuracy. A 5/8x24 steel A2 birdcage flash hider, steel barrel nut, .750 gas block, and 6.75 in pistol gas tube ensure clean cycling and controlled recoil. Finished with an MPI-tested nitride BCG, forged milspec charging handle, forward assist, and steel ejection port cover, this upper is ready for tactical flexibility and hard use. Specifications include Caliber: .300 AAC Blackout, Barrel Length: 7.5 in, Barrel Twist Rate: 1-8, Threads per Inch: 5/8x24, Muzzle Device: A2 Flash Hider, Handguard Length: 4 in, Gun Rail: M-LOK, Gas Block Journal Size-Length: .750 in, Bolt Carrier Group Included: MIL-SPEC, Charging Handle Included: MIL-SPEC.