Grab a high quality 5.56 complete upper kit and experience high performance at a great price! 5.56 NATO is the perfect caliber for self-defense, plinking, and varmint hunting due to its ammo availability, reliability, and low recoil. Our 5.56 upper kits come with everything you need to start shooting including a BCG, rear or side charging handle, upper receiver, barrel, lower parts kit, stock or blade kit - Everything you need to complete your stripped lower receiver. All our rear and side charging 5.56 upper kits are compatible with mil-spec AR-15 lowers.
5.56 NATO
- PRO2A 13.7" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper Kit - Pinned & WeldedSpecial Price $839.99 $1,029.99
- PRO2A 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper Kit - Pinned & WeldedSpecial Price $539.99 $849.99
- PRO2A 16" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper KitSpecial Price $779.99 $929.99
- PRO2A 18" 5.56 NATO 1/8 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper KitSpecial Price $779.99 $889.99
- PRO2A 20" 5.56 NATO 1/7 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper KitSpecial Price $799.99 $959.99
- PRO2A 22" 5.56 NATO 1/7 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper KitSpecial Price $819.99 $969.99