semi auto rifles,CMMG,55A6654,5.56x45mm Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKCMMG MK4 3 Gun Shooter 5.56mm 18″ Barrel SV Brake, RKM14 KeyMod Hand Guard, Magpul MOE Pistol Grip & Rifle Butt Stock, 30 Round Mag $1,241.39 Original price was: $1,241.39.$782.08Current price is: $782.08. Add to cart