Secure your stamped receiver build with the genuine Arsenal Inc. barrel pin retainer, engineered specifically for precision fitment in AK-style firearms. This OEM-quality component from Arsenal Bulgaria ensures reliable barrel retention, helping maintain proper alignment and function in your stamped receiver assembly.
Key Features
- Precision dimensions: Outer diameter of 7mm and overall length of 27mm for exact compatibility with standard stamped receivers
- Durable construction: Manufactured to Arsenal Bulgaria’s rigorous standards for consistent performance under demanding conditions
- OEM replacement part: Designed as a direct fit for barrel retention in stamped AK variants
Technical Specifications
- Outer Diameter (OD): 7mm
- Length: 27mm (approximately 1.063 inches)
- Weight: 0.1 (as listed)
- Material: High-strength steel per Arsenal manufacturing specifications
- Application: Stamped receivers only (not for milled receivers, which require the 34mm variant)
Why Choose This Product
Barrel retention is critical for safe and accurate firearm operation. This retainer pin addresses common pain points in custom builds by providing a secure, vibration-resistant hold that supports consistent headspacing and reduces the risk of barrel movement during use. Its compact size and exact tolerances make it ideal for builders seeking factory-level reliability without modifications.
Whether restoring an original Arsenal firearm or completing a new stamped receiver project, this component delivers the fit and finish expected from a leading Bulgarian manufacturer.
Installation Notes
- Verify compatibility with your specific stamped receiver model prior to installation
- Professional installation recommended for optimal safety and performance
- Pair with appropriate tension springs for complete assembly security
Upgrade your build with this essential Arsenal Bulgaria component and experience the difference of authentic parts designed for lasting dependability.

