18" Bear Creek Arsenal BCA AR-15 BARREL: 18" HEAVY BARREL, W/ 1:8 TWIST, .223 WYLDE, 4150 STEEL PARKERIZED FINISH
Bear Creek Arsenal BCA AR15 BARREL : 16'' CONTOUR PROFILE, W/ 1:8 TWIST , .223 WYLDE, 416R STAINLESS STEEL BLACK NITRIDE FINISH
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Gas System||Mid Length|
|Gas Block System||0.750|
|Gas Hole Diameter||0.072|
Carbine length gas system, with .07 gas port, .750 gas block diameter, and threaded for comp. Barrel extension installed with M4 feed ramps.
100% American made. Barrels are manufactured from two types of steel.
- 4150 Gun Quality Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved.
- 416 Stainless Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved.
They are Drilled, Reamed, Rifled, Turned, and if Applicable, fluted on CNC Machines. All our Finished Barrels go through a 100% Inspection Process.
Inspections Equipment includes CMMs and Air Gauges for the Bores. Our Barrels are manufactured under the ISO-9002 Quality Systems.