 It was mustered into service on June 17, 1862, at Trenton, Arkansas, remaining active through May 26, 1865.When Maj. Gen. Thomas C. Hindman began authorizing the creation of new Confederate infantry regiments in Department of the Trans-Mississippi, in the summer of 1862, he initially designated them as "Trans-Mississippi Rifle Regiments", and the new regiment being formed by Albert W. Johnson was designated as the 6th Trans-Mississippi Rifle Regiment.One other Arkansas regiment was designated as the 39th Arkansas Infantry; that being successively commanded by Colonels Hart, McNeill, and Rogan.