PMA 7.5” 5.56 NATO Upper Receiver 7” MLOK Handguard Flash Can
Barrel Length: 7.5"
Barrel Profile: Government
Gas System: Pistol Length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 1/2x28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile
Muzzle Device: PMA Flash Can Muzzle Device
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: AR15 A3
Handguard Type: PMA 7" MLOK Rail
Barrel: 7.5" 4150V Chrome Moly Vanadium steel, phosphate treated for durability and accuracy, and chambered in 5.56 NATO with a 1 in 7" twist. Government 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 Flash Can.
Handguard: PMA 7" 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 II anodized black for durability. These uppers are made for us right here in the USA by our ISO 9001 certified contract machine shop.