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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    Burnt Bronze 20" .308 Winchester upper receiver, a perfect blend of rugged aesthetics and high-performance capabilities, ideal for those seeking both style and accuracy in their shooting endeavors. Behold the 20" AR-10 upper, a sleek and powerful addition to your firearm collection, designed for precision and versatility.
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    Ghost 20" .308 Winchester Billet Upper - Burnt Bronze

    Sale: $419.00
    MSRP: $549.00
    Ghost AR10 20" 308 Upper Receiver - Burnt Bronze Billet DPMS Pattern High Profile Upper Receiver 20" 4150 Chrome Moly HBAR Contour Barrel Rifle Gas System Chambered in .308 Winchester 1:10 Twist Rate 5/8x24 Thread Pattern A2 Flash Hider 15" M-LOK Free...
    Sale: $419.00
    MSRP: $549.00
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