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. Please indicate in comments when ordering is for regular or short barrel (SB).
Available on backorder
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. Please indicate in comments when ordering is for regular or short barrel (SB).
