Maxim Defense Industries RDB Roller Delay Blowback System CQB Buffer Hardened Tool Steel MXM-47838. Designed by Maxim Defense Industries to transform your 9mm AR-pattern firearm into a roller-delayed blowback system which reduces felt recoil and...
Maxim Defense Industries RDB Roller Delay Blowback System CQB Buffer Hardened Tool Steel MXM-47838. Designed by Maxim Defense Industries to transform your 9mm AR-pattern firearm into a roller-delayed blowback system which reduces felt recoil and...