Made from 17-4 Stainless Steel, heat treated then Black Nitride finished to for improved wear and corrosion resistance. OSS Fixed Barrel Mounts come with wrench flats that allow for a more secure attachment to the suppressor body without the need of custom tools or spanners. The RAD fixed barrel mount is interchangeable with SilencerCo and Rugged fixed barrel spacers, as well as between the OSS RAD 9 and RAD 45.
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