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The CMMG Barrel Nut RKM AR-15 is a genuine component designed for AR-15 platform rifles using CMMG free-float handguards. Made from durable steel with a black finish, this barrel nut is intended specifically for CMMG Mk4 models and ensures a secure interface for free-float handguard installations.
This barrel nut offers AR-15 owners a compatible and reliable option for CMMG factory handguard installations and maintenance. For users seeking manufacturer-original parts, it provides dependable fit and function.