Low profile light barrel gas block for M4 series
A low-profile aluminium gas block. It is used when the original sight blocks view, for example when using a scope. By using this low-profile gas block, you will keep the realistic view but nothing will be in front of your scope.
There is a Daniel Defense marking on the front side.
Inner diameter 19mm
It is attached by two screws (included in the package).
Cannot be used on the real firearms!