Product Description Get the most out of your compensated or suppressed Sig Sauer P365 3.1" with the True Precision Recoil Spring Tuning Kit. Engineered for shooters who demand consistency and reliability, this kit features high-strength chrome silicon springs and a stainless steel billet-machined non-captured guide rod. With three included spring weights, you can fine-tune your setup for smooth, reliable cycling and reduced felt recoil whether running a compensator or suppressor. Designed specifically for the Sig Sauer P365, P365 SAS, and similar models with a 3.1" slide, this kit is a precision upgrade crafted 100% in the USA. Product Highlights Designed specifically for Sig Sauer P365, P365 SAS, and similar models with a 3.1" slide for a precise, drop-in fit High-strength chrome silicon springs deliver consistent, long-lasting performance through thousands of cycles Includes a stainless steel billet-machined non-captured guide rod for superior strength and durability Kit includes 15-LB, 17-LB, and 19-LB springs to customize recoil management for compensated or suppressed configurations 100% Made in the USA, ensuring premium quality craftsmanship and materials Specs Brand: True Precision Manufacturer Part Number: 365STK UPC: 719104543312 Compatible Models: Sig Sauer P365, P365 SAS, and similar models with 3.1" slide Application: Compensated / Suppressed Spring Material: High-Strength Chrome Silicon Guide Rod Material: Stainless Steel Billet-Machined Guide Rod Type: Non-Captured Included Spring Weights: 15-LB, 17-LB, 19-LB Color: Black Country of Manufacture: USA 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.