The RAD 22 suppressor builds on our advanced technology to deliver unmatched performance. The RAD 22 uses our latest innovation the Flow Baffle a unique design that incorporates radial grooves that direct expanding gases away from the bore-line routing them forward through the suppressor and away from the shooter. This means the RAD 22 runs quiet and much cleaner than other rimfire suppressors and it�s easy to disassemble and reassemble without special tools or indexing. - Materials: The RAD 22 is made with titanium and 17-4 heat-treated stainless steel has a lifetime warranty and uses a 1/2 x 28 thread pitch to connect directly to the host firearm. - Sound Pressure Levels: - 115-119 dB on most 22 LR platforms using CCI standard ammo - 130-133 dB on 8 CMMG 5.7mm rifle - Weight: 6.2 oz - Length: 5.57 in - Diameter: 1.08 in