Your information is substantially correct. This man enlisted on Feb. 4, 1863, and was killed in action at Cummng on Oct. 1, 1864. He beloned to Co. "F", 20th Georgia Cavalry Battalion. Here is more information on that company. It looks as if Barlow had come home while his comand was serving in Virginia --

http://compsouth.com/~jbellis/genweb/montgomery/c_war/cavalry.html