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Is this going to morph into one of those 45 vs 9mm threads?
I have 9mm, .45 ACP, .357 mag, .40 S&W, .45 Colt, .454 Casull, .460 Mag (the last three all in one gun), .44 magnum and so on. They each serve their purpose, and have their pros & cons.
I am a heavy bullet fan from way back, but if a 115 gr. 9mm bullet expands to 0.6"+ and penetrates 14-16", how is the wound from that going to be any different than a 147 gr. 9mm bullet that expands to 0.6"+ and penetrates 14-16" - both doing it reliably?
And please, don't anyone start talking about "hydrostatic shock" (as soon as I hear an "expert" on Youtube or some writer start throwing that term around, I tune them out).
Yes, a heavier projectile of the same diameter is going to have more sectional density, and all else being equal, more sectional density equals more penetration. But "all else" is often not equal - often a lighter bullet at a higher velocity will expand faster, damaging more tissue even if the final expansion of the bullet is the same as another heavier or lighter bullet.
Also, heavier projectiles will often better break bones - those nasty things that real animals have that ballistic gell doesn't.
OTOH - light bullets shoot faster and flatter.
Personally, if I want a 185 gr. bullet at 960 fps, I will shoot a .40 S&W or a .45 ACP. My bet is this ammo with the fancy cases and all that R&D is going to be expensive - probably 2-3 times as much as off the shelf conventional ammo.
So I will wait and see how these things work.