Description
- For use with CMMG free-float handguards
- AR platform compatible
This CMMG AR-15 RKM Barrel Nut is made of durable steel with a black finish and is specifically for AR-15 models with RKM handguards. This knurled barrel nut is internally threaded for easy installation of your CMMG revo key mod handguard, and uses a receiver extension castle nut wrench to install. Feel confident knowing that this rifle component is crafted with superb workmanship and meets industry standards.