About the SilencerCo Piston
The 9/16×24 RH piston for .40 S&W tilt-barrel pistols with SilencerCo’s pistol suppressors.
Key Features
- Recoil-booster piston for tilt-barrel .40 S&W pistols
- 17-4 stainless, heat treated
- Right-hand 9/16×24 thread
Specifications
| Manufacturer | SilencerCo |
|---|---|
| Part Number | AC31 |
| UPC | 817272010213 |
| Type | Piston |
| Caliber | .40 S&W |
| Thread | 9/16×24 RH |
| Material | 17-4 stainless steel, heat-treated |
| Host Caliber | .40 S&W (retailer; not on silencerco.com) |
| Compatibility | Osprey 45 2.0, Octane 45, Hybrid 46, Hybrid 46M |
FAQ
What does it fit?
Osprey 45 2.0, Octane 45, Hybrid 46, Hybrid 46M. Confirm your thread pitch and model before ordering.
What’s included?
Piston
Where can I buy it?
Order online from Black Bayou Armory or visit our store in Benton, Louisiana.





