Grab a high quality LEFT HAND NR Side Charging 5.56 complete upper 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. All LEFT HAND NR Side Charging 5.56 uppers are compatible with mil-spec AR-15 lower receivers.

5.56 NATO

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