Gwyn & Campbell manufactured around 8,200 of the Type I and Type II carbines in 1863 and 1864 with most issued to a variety of Midwestern units during the Civil War. This one has the standard Type II markings and features. Matching serial numbers are visible on the bottom of the barrel, frame, and breechblock. Boxed script "RKW" and "WHR" inspection cartouches stamped on the left of the wrist, and small "W.H.R" inspection initials on the top of the stock ahead of the buttplate tang.