28mm bore, a whopping 100mm of stroke, UK spec guns can often have a crazy 2mm port reducer inside. My early .177 52 (1986) has a 3.6mm brass port in the 4mm holeOriginally Posted by TonyL
I can't remember TP length, but it's quite short (5 or 6mm ish?) plus a couple of mm through the breech seal...
Yes, cheers ToneYou've got an Annie? You lucky man.Cheers for the update Phil.
Might put up a thread of it's own
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