Apex Tactical's 107021 Spring Kit for the S&W Sigma series is engineered for superior performance, offering a smoother trigger pull and improved reset. Designed for duty and carry use, this kit enhances functionality and ease of use, working seamlessly as a standalone or with the Apex SD/Sigma Polymer Action Enhancement Trigger.

Ideal for range time and training, the Apex Sigma Spring Kit is a testament to Apex Tactical's innovation and reputation for quality firearm accessories.

Key Features:
- Manufacturer: Apex Tactical
- Model: 107021 Spring Kit
- Product Type: Trigger Parts
- Material: Stainless Steel
- Unique Features: Smoother trigger pull, improved reset
- What's In The Box: Trigger return spring, striker block spring, SD striker spring