Specifications & Features
- Manufacturer: Bear Creek Arsenal
- SKU: 621N-UA556PM47.517P-7M3
- Weight (lbs): 3.25
- Magazine Capacity: N/A
- Length: 7.5
- Profile: M4
- Twist: 1:7
- Finish: Parkerized
- Material: 4150 Chrome Moly Vanadium
- Thread Pitch: 1/2 x 28
- Caliber: 5.56 NATO
- Feed Ramp: M4
- Flutes: None
- Gas System: Pistol Length
- Gas Block System: 0.750
- Charging Style: Rear
- Bolt: E9310
- Receiver: Forged
- Classification: Pistol Upper
- Platform: AR-15
Determined at checkout.