USED CMMG ZEROED Gunbuilder's Lower Parts Kit Mk3 38CA677

USED CMMG ZEROED Gunbuilder's Lower Parts Kit Mk3 38CA677. The CMMG ZEROED AR10 (Mk3/.308WIN) Gunbuilders Kit includes the essential parts except the most commonly upgraded ones like: Trigger Guard Fire Control Group and Pistol Grip. Check out our interactive install walkthrough video below or read the CMMG Resources LPK Install article for an in-depth breakdown. Not all .308 lowers are the same. Our kit is designed to work with our lowers (Gen 1 DPMS High-Pattern LR-308) and meet or exceed mil-spec. We would recommend checking with the manufacturer of your lower for compatibility of parts if you are not using our receiver. Specifications for CMMG Mk3 ZEROED Gunbuilder's Lower Parts Kit: Manufacturer: CMMG Gun Make: CMMG Gun Model: CMMG Mk3 Package Contents: CMMG Mk3 ZEROED Gunbuilder's Lower Parts Kit ZEROED Extended Bolt Catch Mk3 Bolt Catch Plunger Spring & Screw Pin Trigger/Hammer Retaining Pins ZEROED 60/90 Adjustable Ambi Safety Detent & Spring ZEROED Ambi Magazine Catch & Spring ZEROED Magazine Release Button Mk3 HD Pivot/Takedown Pins Detents & Springs Buffer Retainer & Spring CMMG 38CA677: ZEROED Gunbuilder's Lower Parts Kit Mk3