Upgrade your P320 full-size handgun with our factory replacement recoil spring assembly, specifically engineered for optimal performance in .357 Sig, .40 S&Wand .45 ACP calibers. This high-quality assembly is designed to ensure reliable cycling and improved recoil management, providing a smoother shooting experience. Crafted from durable materials, it offers long-lasting resilience and precision fitment, maintaining the integrity and functionality of your firearm. Whether you're at the range or in the field, trust this recoil spring assembly to deliver consistent performance and enhance your shooting accuracy. Perfect for enthusiasts and professionals seeking to maintain their P320 inches peak condition.