This Suppressor Piston from Primary Weapons Systems is cut with 1/2×28 threads and finished in black, allowing a PWS suppressor to be mounted on a muzzle with 1/2×28 threading (Primary Weapons Systems part no. PISTON-1-2X28).

Key Specifications

• Cut with 1/2×28 threads.
• Finished in black.
• Allows PWS suppressors to mount on 1/2×28 threaded muzzles.
• Designed to be swapped between host firearms or calibers for added versatility.

Frequently Asked Questions

Is this piston itself an NFA item? No, a piston is a Title I accessory; it is not the suppressor itself and is not subject to NFA transfer paperwork.

Can I use this piston with a different suppressor? It’s engineered for PWS suppressors; using it with another manufacturer’s suppressor is not confirmed and should be checked with that manufacturer.

Buy the PWS 1/2×28 Suppressor Piston, Black

Mount your PWS suppressor on a 1/2×28 threaded muzzle with this black stainless piston. It ships fast from our Lubbock, Texas gun shop, and our Class 3 parts and accessories selection has more suppressor-ready accessories.