The Smith & Wesson Recoil Spring Assembly For S&W Sigma SW40F is a factory-style replacement designed specifically for the Sigma series chambered in 40 S&W. Built to match original specifications, this assembly helps restore proper cycling, reliability, and feel to your pistol when the original spring has worn or weakened over time.

This recoil spring assembly is ideal for owners who want to maintain dependable performance for range use, training, or regular carry with their Sigma pistol. By using a dedicated Smith & Wesson part, you help ensure consistent operation and preserve the intended shooting characteristics of the firearm. Backed by Smith & Wesson’s long-standing reputation for quality and attention to detail, this assembly is a straightforward way to keep your Sigma running smoothly.

• Manufacturer: Smith & Wesson
• Model: Sigma SW40F Recoil Spring Assembly
• Cartridge: 40 S&W
• Spring Weight: 16
• Caliber: .40 S&W