About the SilencerCo Delta Adapter
Delta Adapter lets a threaded host mount a SilencerCo rimfire suppressor with an O-ring engagement.
Key Features
- O-ring engagement keeps muzzle threads clean
- Helps stop suppressor loosening
- Makes a .22 host suppressor-ready quickly
Specifications
| Manufacturer | SilencerCo |
|---|---|
| Part Number | AC77 |
| Type | Rimfire Adapter |
| Caliber | 5.7x28mm |
| Thread | M10x1 to 1/2×28 |
| Compatibility | FN Five-seveN, Sparrow 22, Switchback 22, Spectre 22, Warlock 22, Osprey Micro 22 |
FAQ
What does it fit?
FN Five-seveN, Sparrow 22, Switchback 22, Spectre 22, Warlock 22, Osprey Micro 22. Confirm your thread pitch and model before ordering.
What’s included?
One Delta Adapter as shipped by SilencerCo.
Where can I buy it?
Order online from Black Bayou Armory or visit our store in Benton, Louisiana.






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