PMA 10.5" 7.62x39 Upper Receiver 10" MLOK Handguard
Barrel Length: 10.5"
Barrel Profile: Medium
Gas System: Carbine-length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 5/8-24
Twist Rate: 1:10
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile
Muzzle Device: PMA Flash Hider Muzzle Device
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PMA 10" MLOK Rail
Barrel: 10.5" 4150V Chrome Moly Vanadium steel, phosphate treated for durability and accuracy, and chambered in 5.56 NATO with a 1 in 10" twist. Medium Profile. Each barrel is dimpled to ensure perfect gas block alignment and durability under stress. Our nitrided steel low profile gas blocks are then installed using locktite 271 and finished with a PMA Extended Flash Hider.
Handguard: PMA 10" M-LOK Rail. Manufactured from 6061-T6 aluminum extrusions right here in the USA.
Upper: PMA Forged 7075-T6 A3 AR upper receiver is made to meet MILSPECs and finished in hard coat type II anodized black for durability. These uppers are made for us right here in the USA by our ISO 9001 certified contract machine shop.