Zenitco B‑33 AKSU Top Cover with Picatinny Rail

Purpose

The Zenitco B‑33 AKSU cover is designed to replace the standard top cover on the AKS‑74U platform and its derivatives, converting it into a rigid mounting base with an integrated Picatinny rail. This allows the installation of advanced sighting and accessory systems while preserving compatibility with the original front sight post.

Technical Specifications

• Manufacturer: Zenitco
• Material: machined aluminium alloy D16T
• Weight: approx. 179 g
• Finish: Black
• Integrated rail: Picatinny, 17 slots
• Compatibility: AKS‑74U and civilian derivatives based on the same cover system
• Included: top cover, return spring guide and rear stop, thread-locker, mounting screws (M6×6 and M4×8), axial retainers (2 pcs), set of Allen keys

Delivery Basis

Delivered by GoldenElement, official distributor. The product is supplied as a complete kit ready for installation. Worldwide shipping available.

Installation

1. Ensure the system is unloaded. Remove the original top cover along with the return spring guide.
2. Mount the B‑33 AKSU using the supplied screws and retainers. Apply thread-locker where needed.
3. Replace the return spring components with those provided in the kit.
4. Reassemble the unit, ensuring the cover functions correctly and the rail remains stable and aligned.