Ensure reliable operation of your side-folding stock with the MSR Catch Spring for side-folding stocks on milled receivers. This precision-engineered front catch spring delivers consistent tension to secure your folding buttstock in both folded and extended positions, helping maintain the integrity of your AK-style firearm’s stock mechanism during transport, storage, and deployment.
Key Features
- Exact OEM-spec fit for Arsenal and compatible milled receivers with side-folding stocks
- Constructed from durable spring steel for long-lasting performance under repeated use
- Compact design: measures approximately 0.65 inches in length with minimal weight of 0.01 lbs
- Provides essential tension for smooth, secure stock locking without binding
Benefits for Tactical Users
Side-folding stocks are popular for their compact profile in tactical scenarios, but worn or weak springs can lead to loose or unreliable deployment. This catch spring restores proper function, reducing the risk of movement during carry or operation and supporting consistent handling in dynamic environments.
Specifications
- SKU: 35151
- Position: Front catch spring
- Compatibility: Side-folding stocks on milled receivers (AK variants)
- Dimensions: 0.65″ L x 0.12″ W x 0.12″ H
- Weight: 0.01 lbs
Why Choose This Product
Factory replacement parts like this catch spring offer superior reliability compared to generic alternatives. Install it as part of routine maintenance to keep your folding stock operating at peak performance.
Installation Notes
Professional installation recommended for firearms components. Always verify compatibility with your specific receiver and stock assembly.


