I use 124gr +P Gold Dots but..
Based on the FBI test demands there are many different ones that give the 12-14" penetration that is required and .53" in expansion through layers of denim fabric on a consistent basis in ballistic gel. All of the major ammo companies are making ammunition that reflect the FBI requirement and in most cases, exceed it. Take your pick: Winchester Ranger, Winchester PDX1, Remington Goden Saber, Speer Gold Dots, Federal HydraShoks, Hornady XTP, Corbon, and many others qualify. Twenty years ago it was not this way at all.