In reading some good articles on reloading the .45 Colt, I have a question. At Ruger level pressures I've heard that cast bullets give better velocity than jacketed bullets. Why is this, given the diameter is the same .452"?
On a related note, for my Glock 23 (barsto barrel) I've always heard to not push hard lead bullets very fast, at least not as fast as jacketed bullets. This seems to contradict what is said about the .45 Colt. I know they're different cartridges, but why is lead better in one and "worse" in another? Could it be a pressure issue for the Glock 23? What about leading? Seems the the slower the lead is traveling the more it would lead the barrel. Thanks guys.
On a related note, for my Glock 23 (barsto barrel) I've always heard to not push hard lead bullets very fast, at least not as fast as jacketed bullets. This seems to contradict what is said about the .45 Colt. I know they're different cartridges, but why is lead better in one and "worse" in another? Could it be a pressure issue for the Glock 23? What about leading? Seems the the slower the lead is traveling the more it would lead the barrel. Thanks guys.