Results for Us Contractor 5.56x45mm NATO

AR-15 10.5\" M4 Contour Barrel, 5.56 NATO, 1:7, Parkerized

AR-15 .223/5.56 NATO 7.5\" Parkerized M4 Proflie Barrel - 1:7 Twist - Pistol Length Gas System

AR-15 16\" M4 Barrel, 5.56 NATO, 1:8 Twist, Parkerized

AR-15 16\" M4 Contour Barrel, 5.56 NATO, 1:9, Parkerized

AR-15 16\" M4 Contour Barrel, 5.56 NATO 1:7, Parkerized

AR-15 16\" Contour Barrel, 5.56 NATO, 1:7, Parkerized

AR-15 16\" Contour Barrel, 5.56 NATO, 1:7 TWIST, Black Nitride

AR-15 16\" Contour Barrel, 5.56 NATO, 1:7, Black Nitride

AR-15 16\" M4 Contour Barrel, 5.56 NATO, 1:8, Parkerized

AR-15 16\" Hammer Forged M4 Barrel, 5.56x45mm, 1:8, Carbine Length, Black Nitride