Introducing the Factory recoil spring assembly, meticulously engineered for the P320 compact and XCARRY models. This high-performance component is specifically designed to accommodate both the 3.9 inches non-threaded barrel and the 4.6 inches threaded barrel configurations, ensuring seamless integration and optimal functionality. Crafted to support the robust calibers of .40 S&Wand .357 Sig, this assembly delivers reliable performance and enhanced durability for your firearm. Please note, this recoil spring assembly is not compatible with 9mm configurations. Elevate your shooting experience with this precision engineered component, designed to meet the rigorous demands of professional and recreational shooters alike.