The AnechoX 45 is computer-designed for the fastest velocities and highest uncorking pressures associated with rifle cartridges that produce from 4 000 to 6 000 ft-lb of energy. The kid brother to the AnechoX 45L. The compact 6.6-inch AnechoX 45 is the pinnacle of performance for its size weight sound and serviceability for the loudest large-caliber rifles to 45 cal magnums. At 9.1 ounces (with DTA included). All AnechoX centerfire suppressors are made of Grade 5 Titanium with 17-4 Stainless blast chambers and blast baffles to handle extreme erosion uncorking pressure and temperature right at your firearms muzzle. All use the unique X-Baffle Anechoic Chamber System with an interrupted central tube and are finished with Cerakote C Series high-temperature thin film ceramic. The AnechoX 45 comes with a 5/8-24 Direct Thread Adapter installed. It also accepts any of the AnechoX Direct Thread Adapters or any industry standard 1-3/8-24 mount including Bravo Hub Pistons Boosters Nielsen Devices QDs Tri-lugs and more. To maximize sound performance and tailor your suppressor to your firearm Caliber Specific Front Caps (purchased separately) are a great option. Available in six sizes and four colors including 40 and 45 caliber.