"The Off Grid Scorpious .22 Suppressor is optimized for performance on short-barreled semi-auto pistols like the Beretta 21A a notoriously tough task for most silencers. Made from 3D-printed titanium, the Scorpious features an internal lattice structure that provides ear-safe suppression that lands in the mid-70s decibels at your ear. And best of all, the Scorpious Suppressor is just 5"" long and a mere 2.2 oz. Rated for use for .17 up to 5.7x28mm. Simple direct-thread attachment for 1/2""-28 threads. Mfrs. lifetime warranty. Works for calibers from .17 to 5.7x28mm Optimized for short-barreled, semi-auto rimfire pistols 3D-printed titanium construction with Cerakote finish Reduces sound to mid-70s decibels at your ear Direct-thread attachment for 1/2""-28 threads"