Subd. 3. Use or possession in commission of a crime.
Any person who uses or possesses a metal-penetrating bullet
during the commission of a crime is guilty of a felony and may
be sentenced to imprisonment for not more than three years or to
payment of a fine of not more than $5,000, or both. Any
imprisonment sentence imposed under this subdivision shall run
consecutively to any sentence imposed for the other crime.
It appears it is only illegal to posses if you are commiting a crime