This Bear Creek Arsenal AR-15 18″ heavy contour parkerized with 6mm Arc barrel has a mid-length gas system with a 1:8 twist. Use a Bear Creek Arsenal ar barrel in your AR15 next build and experience superior performance back 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.
