CMMG AR-15 Lower Receiver Parts Kit Gun Builder Kit comes with everything you need to complete the lower except for the Grip or Fire Control Group.
Specifications and Features:
Manufacturer Number: 55CA601
CMMG AR-15 Lower Receiver Part Kit Mark Three Gun Builder Kit
Take Down Pins
AR-15 Lower Receivers
Note: This Kit does not include the Pistol Grip, Pistol Grip Screw and Washer, Trigger and Hammer, Trigger and Hammer Springs, Disconnect, Disconnect Spring, Trigger Guard and Roll Pin.