Sig Sauer’s SRD pistons literally brings convenience to you, the shooter. For the Sig enthusiast in all of us, this stainless steel piston offers a way to adapt your reliable Sig SRD 45 pistol silencer (or SRD9) for seamless use on your favorite host firearms. Designed with specific thread pitches, the SRD Piston directly threads onto the muzzle of your chosen host. The desired piston/suppressor connection ensures a perfect match, resulting in remarkable performance throughout the unit.

Sig Sauer’s SRD pistons literally brings convenience to you, the shooter. For the Sig enthusiast in all of us, this stainless steel piston offers a way to adapt your reliable Sig SRD 45 pistol silencer (or SRD9) for seamless use on your favorite host firearms. Designed with specific thread pitches, the SRD Piston directly threads onto the muzzle of your chosen host. The desired piston/suppressor connection ensures a perfect match, resulting in remarkable performance throughout the unit. Read Less