I may have asked about this one before but I'm curious if anyone has a clue on its origin.

It looks to have a large primer shoved into the hollow point cavity. Who knows what is behind it! Then it's been coated in some kind of yellow paint. The case is a nickled Super Vel .45 case. I'm wondering if its supposed to be some kind of 'exploding' round orzo
Etching that's supposed to flash when it it hits a steel plate.

On to some pics:

Any guesses?

noses of their 38 and 45 JHPs...

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Of the Troops & For the Troops

International Ammunition Association Forum: Exploder ammo??

Yours looks like it might be one of the "yellow tip exploders" posted by IAA President, Pepper Burruss, but that's just a guess.

I would also guess the Super Vel case is just a coincidence.

HTH

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I'd say its in the same line as the yellow tipped ones there. I wonder whats inside that bullet/case! Funny thing is, I have a partial box of .32acp ammo in a box similar to the Hi-Vel 9mm box pictured.

I experimented with various of these types. But none were ever put on the market by Super Vel. Might have discussed it with Cirillo on numerous occasions. I do not remember him telling me he tried it tho.Results were not effective enough to warrant marketing. Besides the liability from a primer on both ends of the cartridge would not be worth the effort.
IIRC we put 1 grain of Bulleye in a 405 gr. 45-70 projectile with the primer and fired at a 2x4 was somewhat impressive.
Just lab experiments.

I have put primers in my 9 mm supervels in the mid 80's.Carried them in a high power.
I still have a box of the factory stuff in the pic in 45 but the name slips my pee brain now but I am 34 days away from 50 so CRS is a factor. I don't believed the primers worked on tissue but did work on lumber. J.Michael

we glued some CB caps into HP cavity (base forward) of a Gould 330 45-70 and fired them at some rocks. Never could tell much of anything, but the rocks did break all to hell.