Cley Films feature the 6-inch version fo the Slong Suppressor and Suppressor Adapter for Gas Blowback Pistols. The adapter is for -14mm thread and of course, the suppressor is a mock one rather than a functional one... "In this video we will unbox and install the SLONG Suppressor Adapter and a generic 6 inches Suppressor to my hicapa gas blowback airsoft pistol."