View Full Version : What are the signs...
crabo
07-15-2008, 10:09 AM
if a boolit is sized too large? Other than the obvious that it won't chamber, are there other signs? I have .358 and .359 for my .357s. I need to unplug one set of holes to lube a new boolit and I have a new .359 that I haven't plugged any holes yet.
The pistols are S&W and I don't have a fixture to measure them. I also have a Marlin .357.
I hope this question makes sense.
Crabo
docone31
07-15-2008, 10:16 AM
I doubt .359 is too large. A lot of mine as cast are .359 and they do well. I pan lube, and size to .358. Slick.
In a revolver, if it is too big, I have had shaving before. The forcing cone does a lot of sizing.
Firebird
07-15-2008, 12:17 PM
As long as the cartridges chamber, the bullets aren't too big. I don't think you will see any signs of leading etc from a too large bullet, only one that is too small, too soft or too hard. In a rifle you might see high pressure from a too large bullet, but I don't think you will in a revolver.
The thing I've notice with large diameter boolits is my seating die bell remover (crimp) wants to grab the boolit too soon and cause problems.
Boerrancher
07-15-2008, 05:24 PM
I very seldom size my 357's and they have been dropping lately on the average of 360. I don't have a leading problem in my Ruger or my Marlin.
Best wishes from the Boer Ranch,
Joe
Paul B
07-15-2008, 06:46 PM
.359" is my standard size for both the .38 Spl. and .357 mag. Should work just fine for you.
Paul B.
Maven
07-15-2008, 07:29 PM
What are the signs? Possibly poor (or poorer) accuracy and an increase in pressure as well.
runfiverun
07-15-2008, 11:18 PM
each .001 in size only raises your pressure 250-300 psi.
so unless you are shooting 8 grs of bullseye....grin.
i wouldn't get too excited about it, if it will chamber it will be fine, your cylinder throats will size it just right for you.
Bass Ackward
07-16-2008, 06:29 AM
each .001 in size only raises your pressure 250-300 psi.
so unless you are shooting 8 grs of bullseye....grin.
i wouldn't get too excited about it, if it will chamber it will be fine, your cylinder throats will size it just right for you.
I would think that sizing takes a certain amount of time that otherwise wouldn't be required. During that time, different things would happen depending on circumstances that otherwise didn't. And you get a faster or maybe a complete seal too. Most of the time all I have seen is a change in ES either way in a gun with matching dimensions. But I seldom run full power with cast in a handgun.
As with anything you try, start low and come up.
DLCTEX
07-16-2008, 07:54 AM
I have started sizing to .359 for my Charter Bulldog 38 Special and find improved accuracy over the .357 and .358 sizing I had been using. I would shoot them as cast (.3595 with three molds) but I prefer to lube with the lubesizer. .359 does not bulge the WW and RP cases and chambers easily. Some military cases I have do bulge slightly, but still chamber with no stickiness at all. DALE
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