Toni System 1911 Recoil Spring 1911 / 2011 - 10lb. This essential component ensures smoother cycling reduced felt recoil and consistent operation making it a must-have for competitive shooters firearm enthusiasts or those relying on their 1911 for self-defense. Specifications for Toni System 1911 Recoil Spring 1911 / 2011: Manufacturer: Toni System Color: Black Fabric/Material: Aluminum Gun Make: 1911 Platform Gun Model: Colt 1911 Weight: 2.06 oz Features of Toni System 1911 Recoil Spring 1911 / 2011 Precision Engineering. Manufactured from high-tensile steel for unmatched durability and consistent performance even under heavy use. Enhanced Compatibility. Designed to fit most standard 1911 models including full-size and Commander variations as well as many 2011 pistols. Optimized Performance. Reduces wear and tear on your firearm maintaining perfect cycling balance for improved accuracy smoother operation and better control. Easy Installation. Engineered for hassle-free installation allowing you to quickly and effortlessly upgrade your pistol without the need for extensive tools or expertise. Ideal for Customization. Perfect for fine-tuning your 1911 to match specific loads and shooting styles ensuring maximum reliability and performance with every shot. Package Contents: Toni System 1911 Recoil Spring 1911 / 2011 What firearm models does the manufacturer say Toni System 1911 Recoil Spring 1911 / 2011 is compatible with? The manufacturer says that Toni System 1911 Recoil Spring 1911 / 2011 is compatible with Colt 1911Toni System COLTR-10: 1911 Recoil Spring 1911 / 2011 - 10lb