Description
JK Armament booster piston JK155PISTON578X28 is a precision-machined 17-4 PH stainless steel component that screws onto a threaded pistol barrel. It mates a suppressor and pistol together. This piston uses .578×28 threads, intended for .45 ACP and some larger-than-9mm pistol calibers. The piston is the booster component that works with a suppressor setup on a compatible pistol barrel.
Key details
- Booster piston component for a suppressor and pistol interface
- Thread pattern: .578×28
- Material: 17-4 PH stainless steel
| Part Type | Booster Piston |
|---|---|
| Caliber | .45 ACP |
| Thread Pattern | .578×28 |
| Material | 17-4 PH stainless steel |



