Our kit is designed to work with our lowers; all are mill spec and 100% made in the U.S.A.

.308 Premium Lower Parts Kit includes:

.308 Takedown Pin
.308 Receiver Pivot Pin
Takedown Pin Detent (2)
Takedown Pin Detent Spring (2)
Hammer & Trigger Pin (2)
Hammer Spring
Trigger Spring
Disconnect
Disconnect Spring

Bolt Catch
Bolt Catch Plunger
Bolt Catch Screw
Buffer Retainer
Buffer Retainer Spring
Hammer
Trigger
Pistol Grip

Build video from CMMG can be viewed here.

Magazine Catch
Magazine Catch Spring
Magazine Release Button
Safety Selector
Selector Detent
Selector Detent Spring
Lock Washer
Pistol Grip Screw