Texas Star
US Veteran
Most ammo makers make Plus P, but some, like Buffalo Bore and Underwood, load at the upper limits. One has a virtual .38-44 High velocity load.
S&W didn't heat treat cylinders until 1919, above serial no. 316,000. They do not warrant guns for Plus P until model marked, after 1957, when metallurgy and heat treating improved. See Chic Gaylord's, Handgunner's Guide, ca. 1960. Read his comments re the M-10-6.
I was told ca. 1966 by Fred Miller, S&W Sales Manager, that a M-10 would safely fire even .38-44, but if I did that a lot, the gun would loosen much sooner. That'd apply even sooner to older, softer guns.
Plus P isn't range ammo. It's for occasional familiarity firing and actual defense. And real gunfights reflect its added effectiveness on animate targets. But some Plus P is more potent than other brands.
S&W didn't heat treat cylinders until 1919, above serial no. 316,000. They do not warrant guns for Plus P until model marked, after 1957, when metallurgy and heat treating improved. See Chic Gaylord's, Handgunner's Guide, ca. 1960. Read his comments re the M-10-6.
I was told ca. 1966 by Fred Miller, S&W Sales Manager, that a M-10 would safely fire even .38-44, but if I did that a lot, the gun would loosen much sooner. That'd apply even sooner to older, softer guns.
Plus P isn't range ammo. It's for occasional familiarity firing and actual defense. And real gunfights reflect its added effectiveness on animate targets. But some Plus P is more potent than other brands.