Description
3 different sizes of O-Ring for the B01 Dynamic Blowback Housing which can prefect fit to most common used nozzle on the market. These O-Ring is anti-oil and reduce the fiction during cycling.
3 different sizes of O-Ring for the B01 Dynamic Blowback Housing which can prefect fit to most common used nozzle on the market. These O-Ring is anti-oil and reduce the fiction during cycling.
David W. (verified owner) –
As described