Bear Creek 10.5" Barrel Carb 5.56 + Matching Headspace Bolt Kit
This AR-15/M4 Barrel is precisely fit and headspaced for maximum accuracy. This barrel includes a matched bolt.
INCLUDES
- M16/AR15 Bolt - 9310 MPI (5.56) - Completion Kit - Black Nitride
- Bear Creek 10.5" Parkerized M4 Barrel, Carbine Length 5.56
BARREL
- Length - 10.5"
- Material - 4150 Chrome Moly Vanadium
- Finish - Parkerized
- Profile - M4 Contour
- Gas System Length - Carbine Length
- Gas Block Journal - .750"
- Twist Rate - 1:7 inches
- Muzzle - 1/2x28 Threaded
- Weight - 1.16 Pounds
- Other Info - M4 Feed Ramps
BOLT KIT
- Bolt
- Machined from 9310 tool steel
- Heat treated to military specifications
- Shot Peened
- MPI
- Black Nitride Finish
- Extractor
- Heat treated to military specifications
- Shot peened
- Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
- Black Nitride Finish
- Cam Pin
- Machined to Mil Spec
- Ground to meet military required tolerances
- Black Nitride Finish
- Firing Pin
- Built to Mil Spec