This Bear Creek Arsenal AR-15 7.5" M4 contour, parkerized 5.56 NATO barrel has a pistol-length gas system with a 1:7 twist. Our 5.56 NATO parkerized pistol barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. Use a Bear Creek Arsenal AR barrel in your next AR15 build and experience superior performance backed by a lifetime warranty!
All finished barrels go through a 100% inspection process. Inspections Equipment includes CMMs and Air Gauges for the bores as well as visual and machine inspection.
-CALIFORNIA PROPOSITION 65 WARNING:-
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov