Specifications
Caliber: 5.56x45mm NATO
Barrel Length: 7.5 inches
Barrel Twist Rate: 1:7
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Manganese Phosphate
Barrel Profile: Contour
Barrel Gas System Length: Pistol
Barrel Thread Pitch: 1/2x28
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Upper Receiver: AR-15 Upper Receiver, M4 Feed Ramps
Handguard Material: Aluminum
Handguard Style: Freefloat
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Gas Block Size: 0.75
Muzzle Device: GI Birdcage Flash Hider
Muzzle Device Finish: Manganese Phosphate
Muzzle Thread Pitch: 1/2x28
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier Material: 9310 & 8620 Alloy Steel
Bolt Carrier Finish: Nitride
Bolt Carrier: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group