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5/8-24 Sidewinder Adaptor

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Product Features

Simply Replace your spring retainer, spring and piston for this fixed thread mount. These adapters make it possible to use any caliber Sidewinder on SUBSONIC .300 BLK.

Made from 17-ph stainless steel with a Matte Black Finish.


  • Caliber: 300 Blackout Subsonic Only 
  • Thread: 5/8-24 
  • Length: 3/4" 
  • Weight: 1.86 oz.
  • Finish: Matte Black  
  • Made in the USA

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