During the early 70's it was was about the only game in town for hot-roded factory .357's.
It worked well in our "N" framed model 27 & 28's, but extensive use in a "few" K-framed model 19's lead to timing problems more so that split forcing cones.
There was gas cutting in the top strap above the forcing cone, but it tended to cut to a minimal depth then stop.
It really didn't cause much of a problem, but scared the hell out some owners.
But the truth of the matter is most cops back then (at least down here) couldn't afford to shoot enough Super Vel through their guns to worry about.
Not all old ammo is collectable, or has value greater than for plinking.Antique ammo should be sold or collected, not shot.
Super Vel, another urban legend. The stories get better as time goes on.
FWIW, it actually dates to the mid-'60s and caused the "big three" to come up with their own light, jacketed HV rounds.
Good shooting.
I did not post the urban legend comment, but do partially agree with it. I was an LEO in that day and used it, and it was hotter than the so called Treasury Load. However, I think the urban legend part comes in when people assume all Super Vel was hot, and it was not.How do you get the "urban legend" status for this?