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

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