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nhbmaing · May 17, 2013, 10:12 AM

Other than that 1/10th of an inch, and different SAAMI pressure (35,000psi max for .357 and 17,000 psi for the .38) Not a hell of a lot. People will tell you .357 mag uses magnum primers but that really depends on the powder. I haven't reloaded any .357 but I'm assuming it could be a compressed powder charge that garners the extra oomph

** EDIT: Type of powder also matters greatly! The same grains of a different type can produce wildly different results

May 17, 2013, 10:12 AM	#2
nhbmaing Member Join Date: May 8, 2013 Location: Pennsylvania Posts: 15	Other than that 1/10th of an inch, and different SAAMI pressure (35,000psi max for .357 and 17,000 psi for the .38) Not a hell of a lot. People will tell you .357 mag uses magnum primers but that really depends on the powder. I haven't reloaded any .357 but I'm assuming it could be a compressed powder charge that garners the extra oomph ** EDIT: Type of powder also matters greatly! The same grains of a different type can produce wildly different results __________________ The pen is mightier than the sword. I keep the sword for the day I run out of ink.