The SRD45 .45AUTO Pistol Silencer features a Grade 9 Titanium tube and 17-4PH baffles allowing for light weight and durability. The SRD45 features a booster for use with "Browning Tilting Barrel" type pistols. A fixed barrel spacer is also available. The SRD45 ships with both .578-28tpi and M16x1mm LH pistons. The SRD45 can be converted to use with 9mm or .40AUTO host pistols by using the appropriate threaded accessory piston. 133 dB (dry) rated. Made of Grade 9 Titanium and Stainless Steel. Mfg: Sig Sauer, Inc.
