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Air Arms S510 1/2 x 20 Double Male adapter #A21


Note: This adapter does not work with the S510 that comes with the Q-tec suppressor.


  • Any airgun that need a double side male adapter
  • One side has knurled cap
  • Has through hole in the threads for easy tightening or loosening
  • CNC
  • Matte Black Anodize
  • .79 inches / 20 mm OD
  • Great for AirArms

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