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.
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David W. (verified owner) –
As described