Reynolds continued in brigade command in the Army of Tennessee during the Atlanta Campaign of 1864. He served in Stevenson's division of Lt. Gen. John Bell Hood's Corps. He fought at the battles of Rocky Face Ridge, Resaca, and Adairsville before being wounded in the Battle of New Hope Church on May 27. Upon recovery from his wounds, Reynolds was appointed assistant Inspector General of the District of Georgia in 1865 until the end of the war. He was paroled at Athens, Georgia, on May 8.