Maxim Defense Industries OpticsPlanet Exclusive RDB Roller Delay Blowback System Carbine Buffer Hardened Tool Steel MXM-47839. Designed by Maxim Defense Industries to transform your 9mm AR-pattern firearm into a roller-delayed blowback system which...
Maxim Defense Industries OpticsPlanet Exclusive RDB Roller Delay Blowback System Carbine Buffer Hardened Tool Steel MXM-47839. Designed by Maxim Defense Industries to transform your 9mm AR-pattern firearm into a roller-delayed blowback system which...