This is the ONE suppressor to go to for any application you could want. GEMTECH has answered customer demand with our newest addition to our Extreme Duty line. With caliber ratings from short 5.56 full-auto to 300WM it's the only rifle suppressor you'll ever need. Made of Titanium and Inconel not only does it perform to SOCOM standards but it won't weigh down your overall set-up. Caliber Rated: 300WM 300BLK 7.62 NATO 5.56 NATO - Sound Reduction: 32 dB - Length: 7.5 - Diameter: 1.625 with shroud - Weight: 16.3oz - Material: Titanium and Inconel - Finish: High-Temp Black Cerakote - Mount: Interchangeable Quick Mount & thread mount - Barrels: - 5.56 rated for 7.5 or longer* - 7.62x51 rated for 12 or longer* - 300BLK rated for 7.5 or longer - 300WM rated for 24 or longer