I shot a few groups with the 55 grain Ballistic tips. They shot fine, not stellar but pretty decent.
A friend of mine was a USDA control officer for 8 years. He mostly used a 243AI shooting 55s at 4200-4300 fps. Main job was to shoot fetal dogs. This was his caliber of choice

NRA Benefactor Member

Those who live by the sword get shot by those who don't.