MSR Rear sight block assembly with lock lever for 7.62x39 milled receiver ID .730" Arsenal Bulgaria - AK-336

Upgrade your milled receiver AK build with the precision-engineered MSR Rear Sight Block Assembly with Lock Lever, specifically designed for 7.62×39 caliber rifles from Arsenal Bulgaria. This authentic Bulgarian-manufactured component delivers reliable rear sight functionality and secure gas tube retention, making it an essential part for custom builds or repairs on compatible milled receivers.

Key Features and Benefits

• Exact fit for milled receivers – The .730″ barrel opening ID ensures a precise match on Arsenal Bulgaria 7.62×39 platforms, eliminating the need for modifications and providing a factory-level fit.
• Integrated gas tube lock lever – The included lock lever securely retains the gas tube, enhancing overall system stability and simplifying maintenance during cleaning or part swaps.
• Authentic Arsenal Bulgaria construction – Built to original military specifications, this assembly offers the durability and quality expected from genuine Bulgarian parts, supporting long-term reliability in demanding tactical or sporting use.
• Complete rear sight block assembly – Ready-to-install design includes all necessary components for quick integration into your rifle, reducing downtime and ensuring consistent sight alignment.

Specifications

• Caliber: 7.62x39mm
• Receiver Type: Milled
• Barrel Opening ID: .730″
• Origin: Arsenal Bulgaria
• Includes: Gas tube lock lever assembly
• SKU: 35134

Why Choose This Product

Whether restoring a classic Bulgarian AK or completing a custom milled receiver project, this rear sight block assembly addresses common pain points like improper fit, loose gas tubes, and unreliable sight bases. Its precise engineering promotes better accuracy and smoother operation while maintaining the rugged performance that tactical shooters demand. The OEM-quality construction from Arsenal Bulgaria provides peace of mind that aftermarket alternatives often cannot match.

Installation Considerations

Professional installation is recommended for optimal alignment and safety. This part is intended for use on compatible 7.62×39 milled receiver firearms only.

Invest in genuine components for your next build—order the MSR Rear Sight Block Assembly today and experience the difference authentic Bulgarian engineering makes.