Specifications
Caliber: 5.56x45mm NATO
Barrel Length: 16.5 inches
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Thread Pitch: 1/2x28
Barrel Finish: Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:7
Barrel Gas System Length: Mid-Length
Gas Block: Micro Low-Profile Gas Block, .750 O.D. Barrel Steel
Gas Block Size: 0.75 inches
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Device Finish: Manganese Phosphate
Muzzle Thread Pitch: 1/2x28
Crush Washer: 1/2" Crush Washer - Black
Upper Receiver: Left-Handed Black Diamond Series AR-15 Slick Slide Billet Upper
Upper Receiver Material: 6061-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard: ACE Series 15" MLOK Freefloat Handguard
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok