RAD 9 Features Lightweight and modular the RAD 9 is built with next generation Flow-Baffle technology substantially reducing gas blowback while maintaining superior performance. You ll feel the difference the first time you shoot. OSS s innovative Flow-Baffle design is based on their patented and proven Flow-Through technology. Flow-Baffles direct expanding gas away from the bore-line and radial grooves route them forward through the suppressor and away from the shooter. RAD 9 Specifications Manufacturer: OSS Suppressors Manufacturer Part #: 1788H Model: RAD 9 Type: Suppressor Caliber: 9mm Color: Black Accessories: 1/2-28 piston