Ensure reliable rear sight function on your Arsenal AK-series rifle with the premium MSR Spring for rear sight leaf button from Arsenal Inc. This precision-engineered replacement component restores proper tension to the rear sight leaf button, delivering consistent elevation adjustments and maintaining zero under demanding conditions.
Key Features
- Exact OEM replacement – Manufactured to Arsenal Inc. specifications for perfect fit and function in compatible AK platforms
- Durable construction – High-quality spring steel designed for repeated use and resistance to wear
- Made in the USA – Produced by Arsenal Inc. with strict quality standards
- Compact dimensions – Measures 1.6″ in length, 0.3″ width, and 0.05″ height for seamless integration
Benefits for Shooters
A worn or missing rear sight spring can cause the leaf to shift unexpectedly, compromising accuracy and slowing target acquisition. This spring solves that issue by providing consistent pressure on the button, allowing smooth, repeatable adjustments without binding or loosening. Whether you’re maintaining a duty rifle, competition build, or home defense firearm, it helps preserve the integrity of your sighting system for dependable performance.
Specifications
- SKU: 35188
- Weight: 0.08 (lightweight addition to any parts kit)
- Compatibility: Arsenal Inc. AK rear sight assemblies
- Material: Precision spring steel
- Origin: Made in USA
Why Choose This Product
Arsenal Inc. components are trusted by professionals and enthusiasts for their reliability and exact tolerances. Replacing a fatigued spring is a simple, cost-effective way to extend the service life of your rear sight without full assembly replacement. This part is ideal for armorers, builders, and owners performing routine maintenance on their AK rifles.
Restore precision and confidence to your sighting system today with this essential Arsenal Inc. spring.

