I think I will stick with something with a little weight to it. Expansion without mass equals shallow penetration.
180gr Speer Gold Dot
180gr Remington Golden Saber
180gr Federal HST
180gr Speer Gold Dot Short Barrel for my XD 40 subcompact since it has a 3" barrel
Best Choices for Self Defense Ammo
I don't take ballistic advice from a dentist, sorry.
I pack my .40 with either Corbon 135grn at 1325 fps with 526 FPE.
Winchester Silvertip 155grn at 1205 fps and 500 FPE!
I sometimes load a mag with Critical Defense 165grn just to mix things up.
Any quality HP will do the job in .40, just buy it in quantity on the internet if you can afford it. No use in throwing money away. Just remember you can't keep rechambering the round in the chamber for carry ammo. You risk bullet setback, so keep enough on hand to rotate your carry ammo.
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If I need a filling or a root canal, I'll give Mr. Rogers a call.
Just sayin...... Ya know?