Here are links to the Instruction/Owners manuals for each of the weapons you listed above, and the page where the ammunition warnings can be found.
Originally Posted by Ruger71
Ruger - 1 page.
Springfield - 1 sentence.
S&W - 3 pages.
"Placement is power" -- seen in an article by Stephen A. Camp
(RIP, Mr. Camp; you will be remembered, and missed)