New Frontier Ar15 Barrel 12.5 in 1:7 5.56 Blk BBL-556-12.5

ONE HORSE 7.5" 5.56 NATO Barrel 1:7

ONE HORSE 10.5" Carbine Gas 5.56 NATO Barrel 1:7

FAXON AR15 MATCH BBL 6MM ARC 12.5 1:7.5 5R GUNNER PROFILE

COMBAT 5.56X45 NATO 12.5'' V2 PROFILE 1/2''X28 CMV 1-7 TWIST

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 20" Government Contour 1:7" Twist QPQ

Brownells BRN-4 13.7'' Barrel Medium Chrome Lined Phosphate 5.56x45 1-7 Twist

ONE HORSE 16" Carbine Gas M4 Contour Barrel 5.56 NATO 1:7