AR15 - 5.56 NATO

AR15 - 5.56 NATO

Shop our selection of 5.56 complete uppers and build kits for your next AR-15. Designed for the best performance possible while not breaking the bank. Use these to upgrade your current gun or have a fresh start for something unique. Whether you're building a self defense pistol or a rifle for hunting these uppers will do the job.

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    Grid Defense 10.5" 5.56 Upper Receiver - Periwinkle Looking to get a new 7.5" Upper Receiver Buy this Grid Defense Upper Finished in Periwinkle cerakote
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    Grid Defense 10.5" 5.56 Upper Receiver - Periwinkle

    Sale: $299.00
    MSRP: $379.00
    Grid Defense 10.5" 5.56 Upper Receiver - Periwinkle Finished in Periwinkle Cerakote Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas Block Carbine Length Gas System A2...
    Sale: $299.00
    MSRP: $379.00
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