Green Mountain Rifle Barrel Co. Coupon Codes, Discounts and Deals

(3 deals total)

16" M4 5.56 NATO Replacement Barrel, 1:9 Twist, button rifled, thermo stress relieved, chromed bore and chamber, parkerized finish, .750" gas block with pre-drilled exhaust port. Assembled with M4 feed ramp extension, designed for carbine length gas system, 1/2 x 28 muzzle thread...

Product Description New AR15 5.56mm, 1:7 twist, 18", Rifle length gas block (.750 od), 416 stainless steel, with a bead blast finish, M4 feed ramps. SKU: GM-M24

BRAND NEW !!!!!! Melonited and finned 5.56mm barrel. Has extension with M4 feed ramps, 1:7 twist, 16 inches, .750 gas block, carbine length and 4150 steel.