Upgrade your AK-platform firearm with the precision-engineered MSR Disconnector featuring a 5mm pivot hole, specifically designed for milled and stamped receivers in semi-automatic configurations. Manufactured to exacting standards by Arsenal Bulgaria, this component delivers reliable trigger reset and safe operation for enthusiasts and builders seeking authentic OEM quality parts.
Key Features
- 5mm pivot hole ensures compatibility with standard trigger pins found in both milled and stamped AK receivers
- Integrated tail design provides secure engagement with the trigger for consistent semi-automatic function
- Precision-machined from high-grade materials for durability under repeated use
- Direct replacement or upgrade for Arsenal Bulgaria firearms and compatible platforms
Compatibility and Specifications
- Optimized for semi-auto only operation with milled and stamped receivers
- Physical dimensions: 1.35 inches long, 0.45 inches wide, 0.25 inches high
- Lightweight construction at just 0.2 ounces for minimal impact on overall firearm balance
- Engineered to maintain proper disconnector timing and prevent unintended full-auto cycling
Why Choose This Disconnector
Common issues with worn or aftermarket disconnectors include inconsistent reset, failure to fire follow-up shots, or safety concerns. This Arsenal Bulgaria part addresses those pain points by delivering factory-spec fit and performance, helping ensure your firearm operates reliably and legally in semi-automatic mode. Whether restoring a classic build or assembling a new project, it provides the exact tolerances needed for smooth trigger pull and positive engagement.
Built to the rigorous standards of one of the most respected AK manufacturers, this disconnector offers long-term value through its robust construction and precise engineering. Firearms owners appreciate the peace of mind that comes from using genuine components designed specifically for the platform.
Installation Notes
Professional installation is recommended for optimal safety and function. Always verify compatibility with your specific receiver and fire control group before use.



