I am using a prowin AK hopup
I have a sp125 spring and a 591mm 6.04mm barrel from element
I am getting a good seal now. I just had to push the unit it further.
I just put back in the stock hop up unit with the soft rubber and the spacer. The accuracy still isn't there. I think I need to get this spacer. Or, there is something wrong with the unit. I am not sure
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Bacon.
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