4140 Chrome Moly Steel
Set Screw Design
The CMMG Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts.
Does not include Trigger Guard, Fire Control Group, and pistol grip.
Gas tube for AR15 Midlength length gas system.
Mid Length Gas Tube
Application: AR-15 platforms
Roll Pin Included
Length 11 ¾”