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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.

    Features:

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

    Specifications:

    • PLATFORM: AR15
    • MATERIAL: 6061-T6 billet aluminum
    • FINISH: Anodized Black, Magpul FDE Cerakote, Magpul Stealth Grey Cerakote
    • 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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    Customer Reviews

    Based on 4 reviews
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    M
    M.F.
    Nice reciver

    Bought the Spear handguard and the fit and finish were Fantastic. Then my build didnt look complete so I got the reciver to match. Perfect fit. Looks great !

    Thanks for sharing your feedback, Mark. We work hard to meet expectations like yours, we're glad we hit the mark for you. - AB
    M
    M.P.

    I really like the slim profile. I’ve never used a forward assist so I figured I didn’t need one. I’m a big fan of this upper matched with the AT3 Spear handguard. My only regret is that I found this company after I had already bought other parts for my build. Extremely fast shipping is a big plus too!

    Thanks for the feedback, Matt! We're glad you found us and that you're satisfied with the experience thus far. -- LM
    J
    J.H.
    Slick is right!

    This upper and the matching hand guard are the foundation of my next build. Ive never needed a forward assist so I won’t miss it. Ejection port cover is already installed so it’s ready to build. Finish is exceptional and the contour is sweet! Nothing but great stuff from these peeps every time. You can find cheaper parts but not better value for your money. Can’t wait to run this thing!

    We really appreciate you taking the time out to share your experience, Jeff. We're glad you're satisfied with your new upper. We work hard to meet expectations like yours, we are really happy we hit the mark for you - AB
    G
    G.P.
    Super lightweight upper

    This upper is not only incredibly light, but also has very few protrusions (no forward assist). The finish is nice and smooth to the touch with no "chalky" feel. It also aligns perfectly with AT3's new slimline M-lok rail. Although this upper is light it's very strong due to the billet aluminum. This is a high quality upper at a great price.

    Gerianne, thank you for the feedback! We’re so happy you liked our billet upper and can’t wait to have you back. – AB