Courtesy Milwaukee Public Museum, Milwaukee, Wisconsin
Single-shot breech-loading rifle. Chambered for .54-caliber. Utilizes percussion ignition system. Breech opens for loading by lifting and pulling back on a lever. Barrel 33" in length. Full-length walnut stock held on by two barrel bands. Mountings and patchbox are brass; lock is case colored, with browned barrel. Lock marked "J.H. Merrill Balto./Pat. July 1858". There are military acceptance marks on stock. Approximately 775 of these rifles manufactured and purchased by government for use during Civil War. Made in 1864 and 1865.