The Halcyon (Hal-See-Uhn) is a modular silencer from Advanced Armament Corporation and handles a variety of rimfire rounds as well as 5.7x28mm.
In it’s full configuration it comes in at 5.2″ and 6 ounces and in the shorter, or k, configuration it is 3.4″ long and 4.5 ounces.
You can find the Full review on the 13C YouTube Channel –
Calibers and Barrel Lengths (per AAC)–
22 S/L/LR Bolt Action, Semi/Full Auto 4″
22 WMR Bolt Action, Semi Auto 5″
17 HMR Bolt Action, Semi/Full Auto 16″
17 M2 Bolt Action, Semi/Full Auto 16″
5.7×28 Bolt Action, Semi/Full Auto 5″
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AAC HALCYON
- 6 oz
- 5.28″
- 1.0″
- .22 LR
- .17 HMR | .22 LR | .22 MAG | 5.7×28 FN
- Black
- High Temperature Cerakote™
- 7075 T6 Aluminum | Titanium
- 42 dB (from manufacturer)
- Direct Thread
- 1/2×28
- Yes
- Full-Auto Rated