Specifications
Caliber: 5.56x45mm NATO
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Length: 16.5 inches
Barrel Finish: QPQ Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:7
Barrel Gas System Length: Mid-Length
Barrel Thread Pitch: 1/2x28
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Upper Receiver Name: Black Diamond Series AR-15 Billet Upper Receiver
Upper Receiver Material: 6061-T6 Billet Aluminum
Upper Receiver Finish: Type III Hard Coat Anodized
Gas Block Name: Micro Low-Profile Gas Block
Gas Block Size: 0.750
Gas Block Material: Steel
Gas Block Finish: Phosphate
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Device Finish: Manganese Phosphate
Ejection Port Door Material: Aluminum
Ejection Port Door Color: Black
