Receiver with belt loop COP® 2185-MS Modular System black, fits 50mm wide belts Colour: black Modular system receiver with 50mm wide belt loop compatible with holsters that have the corresponding attachment plug on back.(holsters with plug to be ordered separately). To attach the pouch to receiver, the pouch must be turned so that the arrow on the back is facing down. Then slide the plug into the receiver and twist the pouch 180° so that it faces up. Turn the pouch facing down and pull out of receiver to disconnect.