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Lower Receiver A2 Build Kits

$49.95 USD
Inventory Status

Lower Receiver - Lower Receiver Build Kits - Mil-Spec.

The Lower Receiver A2 Build Kit is a great quality kit that includes all of the necessary parts needed to build out your lower receiver.



    • Mil-Spec.
    • Compatibility:  Should fit most Mil-Spec. AR15 rifle configurations, but refer to your manufacture for more specific compatibility information
    • Common Calibers:  .223, 5.56, and 300 Blackout


    Kit Includes:

    • Pistol grip
    • Pistol grip screw & washer
    • Trigger guard with screws
    • Single stage trigger
    • Trigger spring
    • Trigger pin
    • Semi-Auto hammer
    • Hammer spring
    • Hammer pin
    • Semi-Auto dis-connector
    • Dis-connector Spring
    • Safety selector
    • Safety selector detent pin
    • Safety selector detent spring
    • Bolt catch
    • Bolt catch spring
    • Bolt catch buffer
    • Bolt catch roll pin
    • Magazine catch
    • Magazine catch button
    • Magazine catch spring
    • Buffer tube plunger pin
    • Buffer tube plunger spring
    • Takedown rear pin
    • Pivot pin
    • 2 X Takedown/Pivot detent pins
    • 2 X Takedown/Pivot detent springs


    Important Information:

    • Domestic US orders only, No international sales allowed