AAC Silencer Halcyon 5.7x28mm 1/2-28

Regular Price $429.99 Special Price $329.99
Out of stock

The AAC Halcyon Silencer is an excellent choice for your next rimfire suppressor. 

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

The new Halcyon from AAC is everything you want from a rimfire silencer and nothing you don’t. Go from long to short configurations in seconds, and easily disassemble without any tools required. No smoke, no mirrors, no unfounded claims — best in class, period.

  • Overbuilt for maximum performance and durability without the excess weight
  • Features indexed, shielded Titanium K-baffles
  • Modular design is 22 LR full-auto rated, 5.7 rated


  • Calibers: 17 Hmr 22lr 22wmr 5.7x28mm
  • Weight: Full 6.4oz Compact 4.5oz
  • Length: Full 5.8" Compact 3.41"
  • Diameter: 1.12"
  • Materials: 17-4ph T6 Titanium
  • Reduction: 42db
  • S.p.l.: 114db
More Information
ManufacturerAdvanced Armament Corp
Caliber.22 LR
Recoil PadNo
Manufacturer Part Number64283
CA LegalNo
CO LegalYes
MA LegalNo
MD LegalYes
NY LegalNo
CA Prop 65Yes