The SilencerCo Extended Piston, designed to fit Osprey/Octane AC59, is easily interchangeable for different firearms or calibers. Manufactured from heat-treated 17-4 stainless steel, this superior-quality piston supports semi-automatic cycling and is compatible with fixed barrel applications when used with a Fixed Barrel Spacer.
Specs
| Model No. | SCOAC59 |
| Model | Piston |
| Manufacturer | SilencerCo |
