On May 30, the men of the Second Company received orders to detach from the 1st United States Sharpshooters Regiment and meet up with the 1st Minnesota Infantry Regiment. They joined the First Minnesota on June 1, in time to participate with the regiment at the Battle of Fair Oakes (Seven Pines). As the 11th company of the First Minnesota, the sharpshooters received the title of “Company L” and would remain assigned to the First Minnesota until November 23, 1863.