I used a little Super Vel ammo back in the 70's. In .357 magnum I experienced massive blast and muzzle flash, and many instances of spent cases stuck in the chambers so tightly that they required a rod and mallet to remove.

Super Vel marketed their products extensively back in those days. Light bullets at maximum pressure loadings, impressive velocities advertised.

Several reports of flame-cutting, cracked forcing cones, and a few cylinder walls blown out.

I wouldn't use the stuff personally.

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