The Brownells Sig Sauer 320 Subcompact Inner Recoil Spring is a high-quality component designed specifically for the Sig Sauer P320 Subcompact pistol. Crafted to ensure optimal performance and reliability this recoil spring is essential for maintaining smooth operation and reducing felt recoil during firing. Engineered to meet the exact specifications of the Sig Sauer P320 it provides consistent cycling and durability for enhanced shooting precision. Whether replacing an old spring or upgrading your firearm this inner recoil spring is a crucial part of keeping your Sig Sauer P320 Subcompact in peak condition.