Waffen Burk in Germany has developed and machined a replacement gas block to use the factory gas piston giving you control of the gas pressure in 5 different settings. For use in the H&K MR556/223. This product is for barrel lengths over 11″.
![IMG_5668](https://swissarmsusa.com/wp-content/uploads/2023/07/IMG_5668-600x950.jpg)
H&K 5 position 5.56 Gas Valve by Waffen Burk – over 11″
$450.00
Waffen Burk in Germany has developed and machine a replacement gas block to use the factory gas piston giving you control of the gas pressure in 5 different settings. For use in the H&K MR556/223. This product is for barrel lengths over 11″.
Only 8 left in stock (can be backordered)