Huben Hammerless K1

Forums PCP Airguns Huben Hammerless K1

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    Just an update on the slow leakage problem of my Huben. It was found that air was leaking between the valve stem of the regulator and the housing. At first I thought it was due to a bad O ring but it turns out that the seat is not smooth. Problem fixed by a little lapping of the seat.

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