Ensure reliable performance and proper timing in your AK-series firearm with the genuine MSR Spring for Hammer Retarder. This precision-engineered component, also known as the Retarder Mech. Spring, is an essential part of the fire control group designed to moderate hammer movement and support consistent operation.
Key Features
- Precision Construction: Manufactured to exacting standards for a perfect fit in compatible AK platforms.
- Rate Reduction Function: Slows hammer travel to help maintain proper sequencing during cycling.
- Compact Design: Minimal footprint with a length of just 0.75 inches for seamless integration into the trigger group.
- Durable Material: Built to withstand repeated use in demanding environments.
Specifications
- Weight: 0.01 lbs
- Length: 0.75 in
- Width: 0.12 in
- Height: 0.12 in
- Compatibility: Designed for Arsenal and similar AK hammer retarder assemblies
Benefits for Firearm Owners
This small yet critical spring addresses common issues in semi-automatic and select-fire AK variants by helping prevent hammer follow and supporting safe, reliable function. Its lightweight profile adds negligible weight while delivering consistent tension, making it an ideal replacement or upgrade for maintaining your rifle’s optimal performance during training, competition, or field use.
Why Choose This Product
Restore or enhance your firearm’s fire control system with an authentic component trusted by AK enthusiasts. Whether you’re performing routine maintenance or building a custom setup, this retarder spring provides the reliability needed for smooth operation without unnecessary modifications.

