CMMG MK4 Receiver Set

Every exceptional AR platform needs a fantastic matched receiver set. If you are planning to build a new AR-15 Mil-Spec stripped upper and lower receiver set from CMMG is a great place to start. This matched receiver set is the same upper and lower that the CMMG MK4 rifles are built upon and features prominent CMMG logos on both sides of the mag well. These receivers are forged 7075-T6 aluminum and feature a durable Cerakote finish. Included with the receiver set is the CMMG RKM14 free float key-mod handguard kit. The RKM14 has an inside diameter of 1.360" and includes everything you need for proper installation. When it's time to build your next sporting rifle, it's time to pickup this MK4 Upper and Lower Receiver Matched Set with RKM14 Handguard from CMMG.

For over a decade CMMG has remained committed to producing some of the best AR platform rifles in the industry. With a spirit of staunch faith and unwavering dedication they are continually improving their products and processes. It's this firm sense of responsibility that brings you some of the most superb high quality American made rifles on the market today!

Specifications and Features:
CMMG Inc. MK4 Receiver Set 55F7C39-SG
Matched .223/5.56 Stripped Upper and Lower Receiver Set
14" RKM14 Free Float Key-Mod Handguard Kit
Mil-Spec Forged 7075-T6 Aluminum Receiver Set
6061-T6 Aluminum Handguard with Barrel Nut
Cerakote Sniper Grey Finish
Made In The USA