The first British built Magnum springer of the 1970s, the Webley Vulcan, had a 2.5mm transfer port.
I've used 2.5mm ports on a number of guns without problems.
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The first British built Magnum springer of the 1970s, the Webley Vulcan, had a 2.5mm transfer port.
I've used 2.5mm ports on a number of guns without problems.
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