AAC Silencer Halcyon 5.7x28mm 1/2-28

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

Specifications:

• 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