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SilencerCo pistons are designed for easy replacement to fit different host firearms or calibers. They are made from 17-4 stainless steel and heat-treated for maximum durability. The piston is part of the Nielson device, which moves to enable semi-automatic cycling and unlock pistol barrels. Use a Fixed Barrel Spacer for fixed barrel setups. SilencerCo pistons feature female threading that connects to SilencerCo threaded barrels.
| UPC | 817272010213 |
|---|---|
| Manufacturer | Silencer Co |
| Manufacturer Part Number | AC31 |
| Caliber/Gauge | .40 S&W |
| Length | 2.1 |
| Model | Piston |
| Package Height | 1.0 |
| Package Width | 4.7 |
| Product Type | Piston |
| Shipping Weight | 0.09 |
| Thread Pattern | 9/16"-24 tpi |
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