HistoricBore - Thanks for the information, you're correct, my rifle has no cut-off.

Lancaster - I'm reloading to a maximum OAL of 3.1" and they seem to fit in the magazine with no problems. When I next reload I'll try progressively seating a bullet to see what happens. Watch this space.... but it won't be in the next few days. If I have a real rush of blood to the head I might break open another of my packets of original 1938 ammunition and measure one of those for you but don't count on it.

Don't get excited I shot this pack off in my Webley:

NitroX - Hey! I got the posting of the picture right this time!!!!! (Well, OK, at the third go but right eventually.)