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Swaging .22 hollow point.

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These are 20.4 grains diameter 5.52mm around 6.5mm long and Dish base. 
 
They look pretty darn nice.

I'm not critiquing your slugs but I'm wondering about the rough edge at base of dome, top of OD body. IF, they were to be smoother, would any discernible change in BC be seen? Air flow & all. I'm just asking as I'm no ballistics expert but I do know long range shooters definitely would not want any rough edges or burrs.

Again, I'm just trying to educate myself, not nit pick your work. They look great.
 
The outside edge of a Sierra Match King Hollow Point has the same "rough" appearance. Golf balls are not perfectly round either, both are OK though. I don't think the finish would be a problem, if kept at that amount. They look great

Would a slug still be a slug if it had a front and rear driving band, to reduce friction in the bore? With the little bit of material removed from the middle you could length it for a bit more coefficient.