Licensed FFL · Class 2 SOTShips direct to your door
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.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
