Specifications
Barrel: 10.5" (Phosphate) Carbine gas (M4) 5.56 (1:7) B556CM410.517(P)
Caliber: 5.56x45mm NATO
Barrel Length: 10.5-inch
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 1/2x28
Barrel Finish: Phosphate
Barrel Profile: Government
Barrel Twist Rate: 1:7
Barrel Gas System Length: Carbine
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 1/2x28
Handguard Material: Aluminum
Handguard Color: Black
Handguard Style: Keymod
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps, 7075 T6 Aluminum, Anodized
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Gas Block Size: 0.750
Charging Handle: AR-15 M4 Charging Handle
Bolt Carrier: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Bolt Carrier Material: 9310 Alloy Steel (Bolt Head), 8620 Alloy Steel (Body)
Bolt Carrier Finish: Nitride
Buffer Tube Kit: Mil-Spec Heavy-Duty AR-15 6-Position Buffer Tube
Buffer Weight: 3 oz
Spring: Standard AR-15 Carbine Recoil Spring
Endplate: AR-15 M16 Mil-Spec Receiver End Plate