Advanced Armament Halcyon .22 Suppressor


  • Weight: 6.4 oz full, 4.5 oz compact
  • Length: 5.8” full, 3.41” compact
  • Diameter: 1.0”
  • Materials: 17-4PH T6, Titanium
  • Finish: Black PVD
  • Attachment: Direct Thread


  • AAC Halcyon
  • Owners Manual

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Advanced Armament Company manufactured this durable suppressor from 17-4 PH stainless steel and titanium, and it’s ready for whatever you throw at it. AAC silencers are known for impeccable build quality and the Halcyon suppressor is lightweight, modular, and is rated for use with up to 5.7x28mm ammo and is full-auto rated with .22 LR.

This modular AAC suppressor is only 3.41 inches long and weighs just 4.5 ounces in its short configuration. The Halcyon suppressor is easily user serviceable as it does not require tools to disassemble or to add the front module. If you’re seeking maximum sound suppression, operate the AAC Halcyon in its full length configuration. which is still light weight at only 6.4 ounces and compact at 5.8 inches.

If you’re looking for a great rimfire silencer, you should consider the AAC Halcyon. You’ll maximize utility and sound suppression when you get this suppressor. The AAC Halcyon is caliber rated for .17 HMR, .22 WMR, and 5.7×28, and full-auto (on .22 LR). This makes the Halcyon one of the quietest rimfire suppressors: its excellent sound suppression performance (~42 dB reduction or approximately 114 dB in full configuration on a Walther P-22) makes it a must have.

Additional information


AAC (Advanced Armament)


.17 HMR, .22 LR, .22 Magnum, 5.7 x 28mm