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Due to Florida being effected by Hurricane Ian, DonnyFL will experience some delay in shipping this week for any orders placed after 3:00pm EST. on Tuesday September 27, 2022 due to being closed Wednesday & Thursday. If you have any questions feel free to contact us.


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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