Description
High-Performance Hammer Spring (Mainspring) for 1911 / 2011 Pistols
Premium Toni System hammer spring (mainspring), crafted from top-grade spring steel and engineered to fit all traditional 1911 and modern 2011 (double-stack) pistol platforms. This crucial internal component governs the kinematics of the ignition system and the slide’s cycling dynamics, directly dictating both the force applied to the firing pin and the initial resistance the slide encounters during its rearward travel.
Designed for shooters demanding flawless performance consistency, the Toni System mainspring delivers a calibrated load that refines sear engagement behavior. The utilization of high-tensile materials eliminates spring set (tension loss), ensuring your trigger pull weight remains perfectly consistent from the first stage of the match to the last. It is a fundamental component for anyone performing trigger jobs or action tuning, allowing you to lighten and smooth out the trigger pull without risking unreliable ignition or light strikes.
Technical Specifications & Key Advantages:
- Premium Spring Steel: Advanced heat-treatment protects against compression fatigue inside the mainspring housing, preventing structural warping or drop-off in rate over time.
- Trigger Group Tuning: Plays a key role in achieving a crisp, clean trigger break, reducing overall friction and mechanical resistance perceived by the shooter’s finger.
- Ignition Reliability: Coil geometry is optimized for instantaneous kinetic energy release, ensuring positive and rapid primer ignition even with harder competition or duty primers.
Specific Compatibility: 1911 (single-stack) and 2011 (double-stack) semi-automatic pistols across all calibers (.45 ACP, 9mm, .40 S&W). *Note: Professional installation by a certified gunsmith is recommended to ensure proper balancing with the recoil and firing pin springs.*
Technical specifications
- Item code: COLTC-1
- Weight: 15 g
Compatibility
- 1911
- 2011
- Para-ordnance



















