Product Description The Apex Tactical Specialties Sigma Spring Kit (107021) is a precision-engineered trigger upgrade designed for Smith & Wesson Sigma pistols chambered in 40 S&W, specifically compatible with C, F, and VE model variants. Built for duty and carry applications, this spring kit delivers a noticeably smoother trigger pull and improved trigger reset, giving shooters greater control and consistency. The kit functions effectively as a stand-alone upgrade or in combination with the Apex SD/Sigma Polymer Action Enhancement Trigger, offering a flexible solution for those looking to maximize their Sigma platform. Constructed from stainless steel, each kit includes a trigger return spring, a striker block spring, and an SD striker spring, providing everything needed for a thorough trigger system refresh. Product Highlights Produces a smoother trigger pull and improved trigger reset for enhanced accuracy and control Specifically engineered for S&W Sigma C, F, and VE models chambered in 40 S&W Designed for Duty/Carry use, delivering consistent and reliable performance in critical situations Works as a stand-alone upgrade or paired with the Apex SD/Sigma Polymer Action Enhancement Trigger Comprehensive kit includes trigger return spring, striker block spring, and SD striker spring Specs Brand: Apex Tactical Specialties MPN: 107021 UPC: 856008005383 Compatible Models: S&W Sigma C, F, & VE Caliber: 40 S&W Material: Stainless Steel Product Type: Trigger Spring Kit Included Components: Trigger Return Spring, Striker Block Spring, SD Striker Spring Intended Use: Duty/Carry Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.