The Thunder Beast Arms FLY 45 is a titanium suppressor designed for .45 ACP with multi-caliber capability. It is rated for .45-70, .308 Win, and .223/556. The unit is modular with a full length (including booster) of 8.85 inches and a short configuration (with booster) of 6.6 inches. It ships with a .578-28 piston and booster basket; booster features 17-7 wave springs for high temperature durability. It is compatible with Rugged/Griffin/SilencerCo/TBAC standard pistons. You can remove the booster and booster basket to use the HUB rear mount (1.375x24). A CB2HUB adapter is available to fit on CB muzzle devices. Not available to ship to certain states.