The Smith & Wesson Striker Spring for Sigma series handguns is a factory replacement component designed to restore reliable ignition performance. Built to original specifications, this steel coil spring maintains proper tension on the striker assembly, helping ensure consistent primer strikes in compatible 9mm Luger, .40 S&W, .357 SIG, and .380 ACP Sigma pistols.

This dedicated Sigma striker spring is ideal for owners looking to refresh a well-used handgun or keep a spare on hand for preventative maintenance. Its straightforward design makes it a practical upgrade for range use, training, and general defensive readiness where dependable function is essential. Backed by Smith & Wesson’s long-standing reputation for quality firearms and parts, this spring integrates seamlessly into the Sigma platform.

• Manufacturer: Smith & Wesson
• Model: Sigma Striker Spring
• Material: Steel
• Compatibility: Smith & Wesson Sigma pistols in 9mm Luger, .40 S&W, .357 SIG, and .380 ACP
• Finish: Silver