PRODUCT SPECS

Action: Semi-auto direct impingement

Gas System: CARBINE Length Gas System

Chamber: 5.56 NATO. This upper will also shoot .223

Twist Rate: 1/9 button rifled

Pivot/Takedown Pin Size: Small pin - .250"

Muzzle Device: Thread 1/2 X28    ARD MUZZLE BRAKE

Barrel: 16" BULL BARREL , STAINLESS steel, 

Handguard: ARD  RIFLE length Free Float

Upper Receiver: Forged 7075 T-6  Mil-spec with t-marks  

 type 3 hard coat anodizing with forward assist and ejection port plate

Muzzle Device: Thread 1/2 X 28 (ARD AMERICAN RIFLE MUZZLE BRAKE)

 Bolt Carrier Group: MIL-SPEC Chrome Moly Carrier Carrier Key - Chrome lined

Attached with grade 8 Screws Properly Staked & Sealed gas key

Bolt: Phosphated-Carpenter Steel M.P.I. Heat Treated