I certainly should have included that information, though what I have is not complete. I averaged three, five-shot groups at the time, but now consider that inadequate. The Outdoorsman, probably my most accurate .38 revolver, averaged 3.25". I have no average listed on the 638 for some reason. The standard velocity Buffalo Bore 158 lead SWC HC, at 836 fps / 986 fps for the 638 and Outdoorsman, respectively, produced accuracy levels of 4.08" and 1.92".
I tried many +P loads in my testing; won't get into all that here, but I will mention that I also used the Winchester and Remington 158 lead SWC HP + P loads. Overall accuracy was slightly better, though not enough to matter, than the much hotter Buffalo Bore +P. Velocities of the Winchester and Remington +P loads were comparable to the Buffalo Bore standard velocity loads; in my opinion, plenty adequate for defense.
All of these lead loads from all makers produced some evidence of bore leading in my guns.
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