MSR Retainer pin for RPK for milled receiver 7.62x39 and 5.56x45 calibers Arsenal Bulgaria - RPK-013

Ensure reliable operation and precise fitment on your Bulgarian RPK with this OEM MSR Retainer Pin designed specifically for milled-receiver models. Manufactured by Arsenal Bulgaria, this compact component secures the gas chamber support ring and cleaning rod assembly, delivering the durability and exact tolerances required for 7.62x39mm and 5.56x45mm light machine gun platforms.

Key Features

• Precision-engineered OEM part – Matches original Arsenal Bulgaria specifications for milled receivers
• Dual-caliber compatibility – Works seamlessly with both 7.62x39mm and 5.56x45mm RPK variants
• Secure retention design – Holds the gas chamber support ring and cleaning rod firmly in place during operation and maintenance
• Compact, lightweight construction – Measures approximately 0.5 inches in length with minimal added weight

Specifications

• Manufacturer: Arsenal Bulgaria (MSR)
• Part Number: RPK-013 equivalent
• Receiver Type: Milled
• Calibers: 7.62x39mm and 5.56x45mm
• Weight: 0.03
• Dimensions: 0.5 in (L) x 0.12 in (W) x 0.12 in (H)

Why Choose This Product

Factory-original retainer pins maintain the integrity of your RPK’s barrel assembly, preventing movement that could affect accuracy, gas system function, or cleaning rod storage. This replacement solves common issues such as worn or lost pins that compromise reliability during range sessions or field use. Built to the same rigorous standards as the original firearm components, it ensures long-term performance without modifications.

Common Applications

• Restoring or maintaining Bulgarian Arsenal RPK milled-receiver rifles
• Replacing damaged or missing barrel retainer hardware
• Preserving OEM fit and function on semi-automatic or full-auto variants

Restore factory-level performance and peace of mind with this essential Arsenal Bulgaria retainer pin.