Rip bullets, can I get into legal trouble for the type of ammunition I use in a self defense situation?

In your state or country, would you get in trouble?

Rip bullets, rip is short for radically invasive projectile and for the people that don't know, when these bullets reach their target, the fragments spread in different directions making it harder for the target to survive (might kill them instantly) so my question is I can buy them online and have them shipped to my address, does that mean I can use them without getting in trouble if I can just easily buy them, if anything I might get them for home defense and use hollow tips for carrying.
Rip bullets, can I get into legal trouble for the type of ammunition I use in a self defense situation?
Rip bullets, can I get into legal trouble for the type of ammunition I use in a self defense situation?
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