PMA 16” 5.56 Upper
Receiver 12” Ultralite MLOK Handguard
MFR#: PMA1655618CM12
Barrel Length: 16"
Barrel Profile: SOCOM
Gas System: Carbine-Length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 1/2x28
Chamber: 5.56
Twist Rate: 1:8
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PMA 12" Ultralite MLOK Rail
Barrel: 16" 4150V Chrome Moly Vanadium steel,
nitride treated for durability and accuracy, and chambered in 5.56 NATO with a
1 in 8" twist. SOCOM 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 A2Flash Hider.
Handguard: PMA 12" 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
machine shop.