Grab a high quality LEFT HANDED 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. Our LEFT HANDED 5.56 uppers come with everything you need to start shooting including a BCG (optional), upper receiver, handguard, flash hider, gas tube/gas block and barrel. All our LEFT HANDED 5.56 uppers are compatible with mil-spec AR-15 lowers

5.56 NATO

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