Upgrade your AK-47 build with the precision-engineered MSR Front Sight Block Assembly. Designed specifically for 7.62x39mm AK-47 platforms, this pre-drilled front sight block (FSB) delivers reliable alignment and secure barrel mounting for enhanced accuracy and durability in tactical and sporting applications.
Key Features
- Pre-drilled pin holes spaced .75 inches apart for straightforward installation and consistent pin placement
- Includes 2 retainer pins, plunger pin, and spring for complete assembly out of the box
- 24×1.5mm right-hand threads and .590-inch barrel inner diameter compatibility
- Constructed from high-quality materials by Arsenal Bulgaria for superior strength and corrosion resistance
- Compact dimensions: approximately 2.1″ length x 1.05″ width x 1.95″ height, weighing 4.5 oz
Technical Specifications
- Caliber: 7.62x39mm AK-47
- Pin hole spacing: .75″
- Thread pattern: 24×1.5mm RH
- Barrel ID: .590″
- Country of origin: Bulgaria
Why Choose This Product
Traditional front sight blocks often require custom drilling, leading to alignment issues and time-consuming installs. This pre-drilled assembly eliminates guesswork, ensuring proper gas system function and front sight post stability. Whether restoring a classic AK or building a custom rifle, it provides the reliability serious shooters demand without unnecessary modifications.
Invest in a component that prioritizes fit, function, and longevity for your next project.

