The Primary Weapons Systems (PWS) 1/2×28 Suppressor Piston (Primary Weapons Systems part no. PISTON-1-2X28) is a 17-4 stainless steel booster piston built to run on the PWS BDE 9 pistol suppressor. This is the 1/2×28 version. PWS designed its pistons to be swapped between host firearms or calibers, so one suppressor can move from gun to gun by changing the piston. They are also compatible with Rugged, SilencerCo, Lone Wolf Arms and Griffin pistol suppressors. It is the part that sets the thread your pistol suppressor mounts to.

Key Specifications

• The thread is 1/2×28, the muzzle interface this piston provides.
• The material is 17-4 stainless steel, for durability and a long service life.
• It is engineered to work with the PWS BDE 9 pistol suppressor.
• It is also compatible with Rugged, SilencerCo, Lone Wolf Arms and Griffin pistol suppressors.
• The piston can be swapped between host firearms and calibers, which gives one suppressor flexibility.

Frequently Asked Questions

Which suppressors does the PWS piston fit? It is engineered for the PWS BDE 9 pistol suppressor and is also compatible with Rugged, SilencerCo, Lone Wolf Arms and Griffin pistol suppressors.

What is it made of? 17-4 stainless steel, which PWS chose for durability and a long service life.

Can I change pistons between guns? Yes. PWS says the pistons can be swapped to accommodate various host firearms or calibers.

Buy the Primary Weapons Systems 1/2×28 Suppressor Piston

Matching the piston to your barrel thread is what keeps a pistol suppressor reliable. Order it from our Lubbock, Texas gun shop for fast direct shipping, and see more Class 3 parts and accessories.