CMMG Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Trigger Guard, Fire Control Group, and pistol grip. All parts meet or excede mil-spec.
The CMMG Gunbuilder’s Lower Parts Kit allows you to pay for only the parts you need and nothing you don’t. To complete your AR-15 lower received you will need to add your choice of complete fire control/trigger group, trigger guard, pistol grip assembly, buffer, buffer spring, receiver extension, receiver end plate, castle nut, and buttstock to the contents of this package.
All the parts included in this package meet or exceed military specifications and are 100% made in the USA.