Gun to extrude silicone "frame-like» HT0022 sealants used to extract various kinds of tubes. Due frame-like structure cartridge is fixed more tightly. Using gun allows to make sealant application process uniform, with a high degree of control. HT0022 gun design is a metal frame with a pusher and the hammer. Properties housing in the form of metal frame allows tighter locking cylinder / cartridge pistol entirely of metal.