AR-15 | AR-10

AR-15 | AR-10

Grid Defense is the first stop for your next AR15 build with our wide variety of barreled upper receivers to choose from. We offer a multitude of options from barrel length, color, handguard designs, and caliber. Whether you are a beginner or experienced gunsmith our uppers are designed to be easy to expand while staying cost friendly. Check out our Upper and Lower parts for everything else you need to complete your build.

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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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