Rapid Force Rapid Force, Multi-Holster Adapter, Compatible with Rapid Force Duty Holster, Black + RFPT-MHA-BK-C Rapid Force Multi Holster Adapter. The Multi-Holster Adapter is the perfect accessory to enhance your holster's compatibility with the Rapid Force Quick Disconnect System. Whether you have a Rapid Force Holster or not, this adapter empowers you to use your holster of choice with their versatile ecosystem of accessories and carry expansions.