CMMG Lower Parts Kit Mk3 Gunbuilder's kit
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$49.99
MSRP
$49.99
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Updated
Aug 26, 2026
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Description
Our Mk3 Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Fire Control Group, and pistol grip. Compatible with CMMG Mk3 Lowers and most LR308 type lowers.
