The Wolff Gunsprings 20 LB. RECOIL SPRING delivers dependable extra power for hardball and heavier loads, engineered to enhance slide cycling and reliability in high-demand 1911 Commander platforms. This TYPE D spring is designed to work with the Commander model, providing a stiffer, more robust rebound that helps control recoil impulse while maintaining consistent extractor and chamber timing under demanding shooting conditions. Built to precise tolerances, it supports smoother operation with factory or upgraded components, reducing the risk of slam-fire or velocity-related stove-piping when pushing hotter ammunition. Whether youre optimizing a dedicated duty pistol, a high-performance competition setup, or a rugged field-use handgun, this Wolff spring offers a practical balance of durability and performance for your 1911 Commander configuration. As a trusted choice among rifle and pistol recoil parts, it complements other hard-use components to sustain accurate follow-up shots and reliable cycling during extended ranges sessions. Use of this spring aligns with a strategy of tuned recoil control and enduring performance without altering the overall geometry of your slide or frame, making it a thoughtful upgrade for shooters seeking consistent, repeatable results.