PMA 16” .300 Blackout AR15 Upper
Receiver 15” MLOK Handguard
Barrel Length: 16"
Barrel Profile: SOCOM
Gas System: Pistol-Length Gas System
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 5/8-24
Chamber: .300 Blackout
Twist Rate: 1:8
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low Profile Steel Nitride
Muzzle Device: PMA A2 Flash Hider Muzzle Device
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PMA 15" Ultra Light MLOK Rail
Barrel: 16" 4150V Chrome Moly Vanadium steel,
nitride treated for durability and accuracy, and chambered in .300 Blackout with a 1 in 8"
twist. SOCOM Profile.
Handguard: PMA 15" Ultralite M-LOK Rail.
Manufactured from 6061-T6 aluminum extrusions right here in the USA. They are
then anodized to match the uppers.
Upper: PMA Forged 7075-T6 A3 AR upper receiver is
made to meet MILSPECs and finished in hard coat type III anodized black for
durability. These uppers are made for us right here in the USA by our ISO 9001 certified