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    Exceptional value for your next AR build - the AT3 Mil-Spec Plus Lower Parts Kit.

    The kit contains quality, mil-spec parts to build out your lower receiver. It includes a standard A2 pistol grip, as well as an enhanced trigger guard that provides extra room in the trigger area.

    American Made Quality

    • All parts meet or exceed military specifications (Mil Spec)
    • Components are 100% Made in the USA
    • Quality packaging keeps components protected and organized
    • Backed by a lifetime warranty 

    Easy to Install

    • Parts are organized in color coded bags
    • Detailed parts diagram included for quick and easy part identification

    This Kit Includes:

    • Bolt catch
    • Bolt catch plunger
    • Bolt catch roll pin
    • Bolt catch spring
    • Buffer retainer
    • Buffer retainer spring
    • Disconnector
    • Disconnector spring
    • Hammer
    • Hammer pin
    • Hammer spring
    • Magazine catch
    • Magazine catch button
    • Magazine catch spring
    • A2 Pistol grip
    • Pistol grip lock washer
    • Pistol grip screw
    • Pivot pin
    • Pivot pin detent 
    • Pivot pin detent spring
    • Selector
    • Selector detent
    • Selector detent spring
    • Takedown pin
    • Takedown pin detent
    • Takedown pin detent spring
    • Trigger
    • Enhanced trigger guard
    • Trigger guard roll pin
    • Trigger pin
    • Trigger spring


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