ANECHOIC's suppressor features a hybrid titanium and aluminum construction for an excellent combination of weight and heat dissipation. Each suppressor comes included with a direct thread mount for easy out-of-the-box attachment. The Anechox 45 series is designed for .45 caliber handguns and big bore hunting rifles up to .458 Win Mag. This model features a FDE cerakote finish and includes a 5/8x24 TPI direct thread mount. *Sound reduction ratings are approximate based on measurements by the manufacturer and may vary depending on firearm setup and environmental factors.*