CMMG AR-10 Lower Receiver Parts Kit Mark 3 Gun Builder Kit comes with everything you need to complete the lower except for the Grip or Fire Control Group.
Features and Specifications:
Manufacturer Number: 38CA61A
Take Down Pins
AR-10 Lower Receivers
Note: This Kit does not include the Pistol Grip, Pistol Grip Screw and Washer, Trigger and Hammer, Trigger and Hammer Springs, Disconnect, and Disconnect Spring.