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Poodleshooter · April 10, 2001, 11:50 AM

Yes, most .38 loads have a pressure equivalent in .357 data, usually about .1-.2 grain more or so with the fast burning powders such as Bullseye or Clays. I only load in .357 cases to avoid chamber leading in my GP100, but frequently download to .38 SPCL velocities.

April 10, 2001, 11:50 AM	#2
Poodleshooter Senior Member Join Date: August 7, 2000 Location: Floating down the James River in VA Posts: 2,599	Yes, most .38 loads have a pressure equivalent in .357 data, usually about .1-.2 grain more or so with the fast burning powders such as Bullseye or Clays. I only load in .357 cases to avoid chamber leading in my GP100, but frequently download to .38 SPCL velocities.