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Lower Receiver Parts

Lower Parts Kit, Minimalist w/Grip

Lower Parts Kit, Minimalist w/Grip

When you're planning a new build, some parts just beg to be customized. Components like the hammer & trigger, selector, and trigger guard are really a...

$50.00

Lower Parts Kit, Billet

Lower Parts Kit, Billet

This Umbrella kit supplements the parts included with our billet lower but we purposely leave out the trigger--we expect most of you will want to go w...

$130.00

Lower Parts Kit, Forged

Lower Parts Kit, Forged

While not strictly limited to Umbrella receivers, we put this kit together as a high quality option for customers looking to build-out their forged, m...

$155.00

Enhanced Buffer Spring

Enhanced Buffer Spring

Every rifle that we build for military/LE demo use, research and development, test and evaluation, or the occasional charity gun all use action spring...

$19.95