Here comes the old biddy with yet ANOHER caution - - -
yesterdaysyouth - - -
While the actual construction and metallurgy of the cases (from the same manufacturer) will probably be the same, regardless of headstamp, there is another consideration.
Keeping track of exactly what load in inside a particular case, is really A Good Thing. If you have a great many of the +P marked cases, they can serve this purpose, as can limiting the use of a particular bullet to a certain range of load, which is my practice.
Some years back, my usual .38 load was 158 gr. lead bullets with what is now a +P charge of Unique. It was within published data in a Lyman manual which was probably outdated when I bought in 1966. It was just fine in the magnums and okay in K-frame S&Ws, but I certainly put a lot of extra stress on the Chief's Specials and Colt Police Positives.
Member
Clark has shown us some amazing examples of what old D-frame Colts can tolerate. He has tested some to destruction, taking due care to avoid injury. But even when he stops short of splitting cylinders, he doesn't claim the overpressure loads don't accelerate wear on the lockwork.
If all you shoot is stoutly constructed revolvers, keeping your +P loads away from guys like me, who like alloy framed snubs, then the above does not apply . . . .
Good shooting - -
Johnny
