Wyandot Jim said:
mikld said:
Without knowing what size your barrel is? Yep, use the .450", .451", and the .452"...
When I buy pants or tires for my truck, I know what size is needed, so why not bullets?
Ruger and most other makers of modern Colt 45s make the barrel .452
Old SAA were .454
There is absolutely no down side to knowing the dimensions of your gun. I hear it all the time "each gun is different" when talking about load data, so why wouldn't each bore be unique in some respects. I couldn't care less if someone won't measure their gun and only use "hear say" to determine what is needed, but it's silly to use the "one size fits all" approach. Reloaders will double check loads when dealing with the exact same powder, but with a different lot number, so why would measuring the gun be a waste of time and "use whatever bullet size your brother-in-law's cousin used". I was a precision machinist for a number of years and just because the blue print says .452"
plus .0015", minus .0005",doesn't mean every .452" dimension is exactly .452".
In real life the OP would prolly be ok using any size of bullets he noted, and may or may not hit the "perfect" size for his guns, but I for one want to
know, not "what I read on the internet"...
BTW, knowing the cylinder throat deminsion is just as important and mebbe more important than barrel groove diameter...