Upgrade your RPK platform with the authentic MSR Handguard Lower for RPK, a premium black polymer ribbed lower handguard manufactured by Arsenal Bulgaria. Designed specifically for milled-receiver light machine guns, this drop-in replacement delivers superior ergonomics and heat protection without the need for modifications.
Key Features
- Drop-in installation – Fits seamlessly on compatible RPK milled receivers for quick, tool-free upgrades
- Ribbed polymer construction – Provides enhanced grip and a lightweight yet durable design that withstands rigorous use
- Matte black finish – Blends with factory aesthetics while resisting scratches and wear
- Optimized length of 6.6 inches – Offers balanced coverage for improved handling on RPK rifles
Specifications
- Length: 6.6 inches
- Color: Black Matte
- Profile: Drop-In
- Weight: 5.12 oz
- Dimensions: 6.55″ L x 1.71″ W x 1.81″ H
- Material: Glass-reinforced polymer with ribbed texture
Why Choose This Product
Traditional wooden or metal handguards on RPKs can become uncomfortably hot during sustained fire and add unnecessary weight. This Arsenal Bulgaria polymer lower handguard solves those pain points with a heat-resistant design that keeps your support hand secure and comfortable. The ribbed texture improves control during rapid follow-up shots, while the authentic Bulgarian manufacturing ensures precise fitment and long-term reliability on your tactical or sporting RPK build.
Whether you’re restoring a classic import or modernizing your firearm’s furniture, this lower handguard enhances both functionality and appearance without compromising the original design intent.
Benefits at a Glance
- Reduces heat transfer for safer, more comfortable operation
- Lightweight upgrade that maintains balance and maneuverability
- Factory-quality fit from a trusted Eastern European manufacturer
- Ideal for enthusiasts seeking OEM-style replacements
Experience the difference premium Bulgarian craftsmanship makes on your RPK today.

