Simply Replace your spring retainer, spring and piston for this fixed thread mount. These adapters make it possible to use any caliber Sidewinder on Fixed barrel pistol caliber rifles and pistols. Made from 17-PH stainless steel with a Matte Black Finish.
This Adapter fits our Sidewinder, Cobra M2, and our Cobra sound suppressors.
- Length: 3/4"
- Weight: 1.86 oz.
- Finish: Matte Black
- Made in the USA
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I ordered this for my sidewinder. Works like a charm.