Specifications
Caliber: 5.56x45mm NATO
Barrel Length: 18-inch
Barrel Material: 4140 Gun Steel
Barrel Thread Pitch: 1/2x28
Barrel Color: Black
Barrel Finish: Nitride
Barrel Profile: Government
Barrel Twist Rate: 1:7
Barrel Gas System Length: Rifle
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-LOK
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Thread Pitch: 1/2x28
Gas Block Size: 0.750
Rifle Stock Information: SOPMOD Style Collapsible Stock with Storage Compartments, Black