On February 20, 1865, the 105th absorbed Company C of the 2nd United States Volunteer Sharpshooter Regiment, which as disbanded on that date, and in March 1865, about 300 new recruits were received. At Sailor's Creek, the 105th was actively engaged, after which it returned to Alexandria. It participated in the Grand Review of the Armies at Washington and was mustered out in that city on July 11, 1865.