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Blast of air??

PostPosted: Wed Jun 19, 2019 11:53 pm
by Stokie99
Hi folks hope you can help I have changed the orings on my verminator mk11 barrel internal and external but I am getting a blast of air from the small hole in the flat bed where the magazine slides in between the probe and the breach when I fire the gun is this normal or does the valve stem oring need changing any help would be welcome cheers stokie99