Quote:
Originally Posted by BC38
So the cylinder on a 1917 is long enough to be reamed for a 45 Colt and not have the bullet hanging out the front of the cylinder tying things up? Is that a common modification? How would it affect shooting 45ACP rounds? The difference in case length from .898" (acp case length) to 1.285" (45 Colt case length) leaves a nearly .4" gap for the bullet to jump - which seems like a lot to me.
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It sounds pretty certain the cyl is reamed deeper for 45 Colt. You need to try a resized case or a loaded round. It's a fairly common modification, yes.
The cyl is long enough for 45 Colt as long as extra long bullets are not used.
The ACP rounds will have a long bullet jump to the chamber throat. However, accuracy is little affected.