Upgrade your Krinkov build with the authentic MSR Front Sight/Gas Block Combination designed specifically for Arsenal Bulgaria milled and stamped receivers. This precision-engineered assembly delivers reliable gas regulation and accurate sighting for short-barreled AK platforms in every caliber, ensuring optimal performance on your tactical rifle.
Key Features
- Integrated front sight and gas block design for streamlined installation on Krinkov and UR-type short AK rifles
- Compatible with all calibers including 5.45×39, 7.62×39, and 5.56 NATO
- Precision-machined for both milled and stamped Arsenal Bulgaria receivers
- 24×1.5mm right-hand threads with bayonet lug for versatile muzzle device and accessory mounting
- Durable construction matching original Bulgarian specifications for long-term reliability
Technical Specifications
- Weight: 8.5 oz
- Dimensions: 2.75″ L x 1.2″ W x 2.25″ H
- Thread pattern: 24×1.5mm RH
- Includes retainer pin, plunger pin, and spring pre-installed
- Chrome-lined gas port for enhanced durability with corrosive ammunition
Why Choose This Product
Building or restoring a Krinkov demands components that fit perfectly without modification. This combination unit solves common fitment issues on short-barreled platforms by providing the correct gas port sizing and sight height for suppressed or standard configurations. The bayonet lug and threading options expand your customization possibilities while maintaining the classic Krinkov profile enthusiasts demand.
Whether you’re replacing a worn assembly or completing a custom Arsenal Bulgaria project, this part ensures proper cycling and point-of-aim consistency across multiple calibers without the need for additional adapters.
Invest in genuine Bulgarian engineering for your next build and experience the difference authentic components make in reliability and function.




