Showing all 6 results
H&K MR223 A3 5.56mm SBR, 11″ – MR223A3-11-BLK
H&K MR556 A4 5.56mm Pistol, 11″ – 81001050
H&K MR556 A4 5.56mm Rifle, 16.5″ – 81000827
H&K MR556 A4 5.56mm Upper Receiver Kit, 11″ – 81000385
H&K MR556 A4 Patriot Brown 5.56mm Pistol, 11″ – 81001201
H&K MR556 A4 Patriot Brown 5.56mm Rifle, 16.5″ – 81001203