Description
The AAC Halcyon Silencer .22LR Black is a dedicated rimfire suppressor designed for maximum sound reduction on .22 caliber firearms. It’s a lightweight, user-serviceable can built for the high-volume shooter who demands quiet, reliable performance without added bulk, making it a top choice for everything from pest control to recreational plinking.
Key Features
- Full-Auto Rated for .22 LR: Built to handle the rapid fire of rimfire machine guns or just your blistering pace on the range.
- User-Serviceable Design: Simple disassembly for easy cleaning of inevitable rimfire carbon and lead fouling.
- Lightweight Aluminum Construction: Keeps weight off the muzzle for better handling on pistols and lightweight rifles.
- Minimal First-Round Pop: Engineered to reduce that initial, louder report for more consistent sound suppression.
Specifications & Details
| Caliber | .22 LR (Full-Auto Rated) |
|---|---|
| Material | Aluminum (Tube & Baffles) |
| Length | 5.8 inches |
| Diameter | 1 inch |
| Weight | 2.8 ounces |
| Mounting | 1/2×28 TPI Direct Thread |
At just 2.8 ounces, the Halcyon adds negligible weight to your setup. Its 1/2×28 direct thread pattern is the industry standard for .22 LR rifles and pistols, meaning no gunsmithing required for hosts like the Ruger 10/22, Smith & Wesson M&P 15-22, or any Taurus TX22. It ships to Missouri and compliant US states after the mandatory NFA approval process.
Who This Suppressor Is For
This is the can for the practical rimfire enthusiast. When it comes to managing pests on your property without disturbing the neighbors, or for long training sessions where hearing protection gets old, the Halcyon delivers. It’s for the shooter who puts thousands of rounds of affordable .22 LR downrange and needs a suppressor that can be easily cleaned and will last. The price point of $316.68 makes it a serious value for a dedicated, high-performance rimfire silencer.
Pros & Cons
Pros: Extremely lightweight. Easy to take apart and clean after a dirty rimfire session. Direct thread mount is simple and reliable. Full-auto rating speaks to its durability. That said, its aluminum construction requires more attentive cleaning than stainless steel to prevent corrosion from certain solvents or neglect.
Cons: Aluminum baffles, while light, can be more susceptible to wear from abrasive cleaning tools compared to stainless. The 1-inch diameter is slim but may not provide the absolute maximum suppression of a slightly fatter can. Look, no suppressor is perfect for every role, but for a dedicated .22 LR workhorse, the trade-offs here are smart.
Frequently Asked Questions
Q: Is the AAC Halcyon compatible with .22 WMR or .17 HMR?
A: No. It is designed and rated for .22 Long Rifle only. Using higher-pressure cartridges like .22 WMR could damage the suppressor and is unsafe.
Q: How do I clean the aluminum baffles?
A: Use an ultrasonic cleaner with a mild solution or a chemical dip designed for aluminum. Avoid aggressive wire brushing or steel tools that can scratch and damage the baffle surfaces.
Q: What is the wait time for NFA approval?
A: Current processing times for ATF Form 4 approvals vary, typically ranging from 6 to 10 months. This is a federal process, and your purchase from us includes guidance through the paperwork. FFL transfer required for firearm purchases, and the suppressor transfer follows the same NFA trust or individual path.
Ready to add the AAC Halcyon to your NFA collection? This suppressor is available at firearms-missouri.com for Missouri residents and nationwide. Start the process today to secure yours.




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