Precision machined from 17-4 PH stainless steel, JKs booster piston is the component that screws onto the threaded pistol barrel, mating suppressor and pistol together. The pistons are available in 1/2x28 threads (nearly all 9mm and some other pistols) and .578x28 threads (.45 ACP and some other larger-than-9mm pistol calibers).
| Caliber: |
9mm Luger |
| Series: |
Piston |
| Color: |
Raw |
| Material: |
Stainless Steel |
| Firearm Type: |
Pistol |
| Diameter: |
1.55" |
| Thread Pattern: |
1/2"x28 |