JK Armament
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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).
| Diameter: | 1.55" |
| Caliber: | 9mm Luger |
| Thread Pattern: | 1/2"x28 |
| Series: | Piston |
| Color: | Raw |
| Material: | Stainless Steel |
| Firearm Type: | Pistol |