openFostech Ultra Light Castle Nut

Fostech Ultra Light Castle Nut

$14.50

Fostech Ultra Light Castle Nut compatible with AR15/308/AR10, PCCs, 300 Blackout, 6.5 Grendel

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    Fostech Ultra Light Castle Nut

    Make your next build LITE by using a Fostech Ultra-Light Castle Nut. Fostech machined these AR15 Lower Parts from their proprietary lightweight material. Swapping in this Fostech 2505 Lightweight Castle Nut will reduce your build by 0.34oz compared to a standard castle nut. Save weight and keep the strength with the Fostech Ultra-Light Castle Nut.

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