Charles --
Here's Dunabr Rowland's history of this regiment --
http://mississippiscv.org/MS_Units/2nd_MS_Inf.htm
Company "K" was the "Iuka Rifles" of Tishomingo County, organized April 2, 1861, reporting at Corinth on May 1, 1861.
http://www.rootsweb.ancestry.com/~mscivilw/2ndmiss.htm
What else did you have in mind?