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    Mil-Spec AR-15 Selector Detent

    All AT3 Tactical lower receiver parts meet or exceed Mil Spec. These parts are guaranteed to fit and function in your AR and are perfect for replacing lost or damaged parts.

    Made in the USA

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    J
    J.P.
    needed parts

    detents and detent springs are needed for ar15 builds and for replacing worn parts. the time to get them is before you need them. AT3 Tactical is the place to shop, with quality mil-spec parts and quick shipping!