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    Tough, Sleek, and ready for the AT3 SPEAR M-LOK Handguard

    Machined from billet aluminum, this unique slick-side upper receiver has no forward assist, includes a dust cover, and matches perfectly with AT3's SPEAR handguards with anti-rotation features.  This upper also features more material to surround your barrel extension than typical forged receivers, making it more ideal for precision.  Matches with mil-spec lower receivers for a reliable fit. Made in the USA.


    • M4 Feedramps
    • .250 takedown pin holes
    • Low-profile brass deflector
    • Includes dust cover
    • No Forward Assist 


    • PLATFORM: AR15
    • MATERIAL: 6061-T6 billet aluminum
    • FINISH: Anodized Black
    • COMPATIBILITY: Perfect match for AT3 SPEAR Handguards, standard AR15/M16 bolt carriers, charging handles, and some other handguards.
    • WEIGHT: 7.1 oz

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