- 10.5″ M4 Contour Barrel
- 4150 Chrome Moly Vanadium Steel
- Black Nitride Finish
- 1:7 Twist
- 5.56 NATO Caliber
- Carbine Length Gas System
This BCA AR-15 Barrel is a 10.5″ M4 contour profile barrel made of 4150 chrome moly vanadium steel with a black nitride finish, a carbine length gas system with a 1:7 twist rate. The barrel is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.
Inspections Equipment includes CMMs and Air Gauges for the Bores.
|WARNING: This product can expose you to chemicals, such as lead and other petroleum products, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.|
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Gas Block System||0.750|
|Gas Hole Diameter||0.093|