Description
Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR15 lower receiver is the quality mil-spec lower ready to be the foundation for your next build.
Building allows you to pay once for all the specific parts you want, without having a box full of undesired extras.
All you’ll need is a lower parts kit to complete the lower half of the firearm.
Keep in mind, the lower is the serialized firearm and as such will not be shipped.
Once purchased please use the Booking link to schedule your Appointment.



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