In Minnesota,

It is at least .220 caliber and has center fire ignition;
It is loaded only with single projectile ammunition;
The projectile used has a soft point or is an expanding bullet type;*


* Note: Hunters are reminded to select bullets that are suitable for taking big game. Most major manufacturers offer either bonded or all-copper bullets that are appropriate for taking big game. Hunters are advised to select a proper bullet design and weight that is suitable for humanely taking big game.

Michael, if you would like some photos of deer taken with it just send it down and Ill do my best smile (I know, Im all heart.)