The Sig Sauer SRD-PISTON-M145X1LH Suppressor Piston is purpose-built to convert your SRD45 suppressor for use with barrels threaded 14.5x1mm left hand, giving .40 S&W and 10mm shooters a precise, secure mounting solution. Machined from durable 17-4 heat-treated stainless steel with a matte glass bead finish, this piston is designed to deliver consistent alignment and reliable performance across a variety of compatible hosts.

This model is ideal for shooters who want to run their SRD45 suppressor on .40 S&W or subsonic 10mm platforms without changing barrels or guns. Simply swap this conversion piston with the original unit to match your barrel’s thread pattern and keep your setup streamlined for range work, training, or general recreational shooting. Backed by Sig Sauer’s reputation for engineering and manufacturing quality, it offers a straightforward, dependable upgrade for your suppressor system.

• Manufacturer: Sig Sauer
• Model: SRD-PISTON-M145X1LH
• Caliber: .40 S&W / 10mm (Sub-Sonic)
• Thread Pattern: M14.5x1 Left Hand
• Material: 17-4 Heat-Treated Stainless Steel
• Finish Color: Matte Glass Bead
• Compatible With: Sig Sauer SRD45 Suppressor