B-33RPK Receiver Cover Rail by Zenitco

B-33RPK Receiver Cover Rail by Zenitco is a milled receiver cover made from high-strength D16T aluminum alloy with black or desert anodized finish. Designed for RPK-based rifles, it offers a reliable and stable platform for mounting optics and sighting devices.

This rail forms a full-length Picatinny platform above the receiver while maintaining compatibility with standard iron sights. It is compatible with lower handguards such as B-23L (as part of "Sport-8" and "Sport-8U" kits), B-20L (as part of "Sport-5" and "Sport-5U" kits), and B-20U.

Key Features:

• Integrated Picatinny rail with full-length mounting surface
• Maintains zero after multiple openings and closings
• Only compatible with rifles that have removable dust covers (not hinged)
• Designed for RPK-based receivers

Specifications:

• Material: D16T aluminum alloy
• Operating temperature: from -50°C to +50°C
• Warranty period: 60 months

Included in the kit:

• B-33RPK rail – 1 pc
• Rear and front recoil spring guides – 1 pc
• M5x7 screws – 4 pcs
• DO-1 recoil buffer – 1 pc
• Manual – 1 pc

Installation steps:

1. Remove the standard dust cover, recoil spring, bolt carrier. Lift the sight and gas tube lever.
2. Install B-33RPK on B-23L, B-20L or B-20U handguard ensuring steel inserts go into the receiver. Insert and tighten 4 screws.
3. Transfer the recoil spring to the provided recoil spring guides from the kit.
4. If using Saiga-308, install the DO-1 recoil buffer on the recoil mechanism (mandatory for Saiga-308, optional for others).
5. Reassemble the rifle and cycle the bolt a few times to ensure proper fitment.

Original Zenitco product. Distributed globally by Bazalet.