Barrel, 18″ M1 Carbine, Chrome Moly, Match Quality, FA by Criterion

Description Our M1 Carbine barrel is manufactured to mil-spec print #6544006. A new manufacture gas cylinder is installed and crimped to the barrel. It has a parkerized finish and a .010 short chamber to be installed by a qualified gunsmith.   Uniformity of the bore dimension, groove dimension, and twist, along with the finish produced by hand lapping are essential for the ultimate accuracy of the barrel which achieves “Match Quality”.   Specifications 18″ 1-20 twist .30 Carbine short chamber, MUST BE FINISHED REAMED FOR HEADSPACED Mil-spec crimped on gas block Ordnance-grade chrome moly steel Manganese phosphate parkerized