Barrel:
- 16″ MODIFIED HBAR CONTOUR 450 BUSHMASTER BARREL
- Caliber: 450 Bushmaster
- Length: 16″
- Gas Block: .875
- Material: 4150 CMVS Steel
- Gas System: Carbine Length
- Twist Rate: 1:24 Twist
- Finish: Black Nitride
- Thread: 5/8×32
Handguard:
Easy to install. 20 alignment holes on barrel nut for precise and secure fit
• Non slip holding surface – knurled finish
• Fits .223 – barrel nut and tools included. ID 1.75″
Upper Receiver:
- Forged 7075-T6 Mil-spec receiver for a standard AR-15 rifle
- Picatinny rail, t-marks, and M4 Feed Ramps
- Fake Forward Assist Channel for Aesthetics
Muzzle Brake:
- .450 Bushmaster or Bull barrel
- Black Phosphate
- 11/16″x24
Dust Cover Door:
Includes:
- Dust cover door
- Spring
- Rod
Charging Handle:
- Mil-spec M4
- Standard AR15 Charging Handle
Gas Block:
Includes roll pin, screws & hex wrench. Made from high quality steel. Mounts via bottom set screws.
Color: Black. For 0.875″ barrels, most commonly used on AR-15 223/5.56 Bull Barrels.
Gas Tube:
- Stainless Steel Construction
- Comes with Roll Pin
BCG:
- Brand – Bear Creek Arsenal
- Caliber – .450 / .458
- Carrier Style – Standard
- Platform – AR-15
- Bolt Finish – Parkerized
- Bolt Material – 9310 Steel
- Carrier Finish – Black Nitride
- Gas Key – Staked
- Weight – 0.71 lb