Remington's revolvers were the second most widely issued by the Union throughout the Civil War. The New Model Army was manufactured from 1863-1875 and represents the last of Remington's .44 caliber percussion revolvers. "PATENTED SEPT. 14. 1858/E. REMINGTON & SONS. ILION NEWYORK.U.S.A./NEW-MODEL" marked in three lines on the top barrel flat. Serial number "90581" is located on the left of the grip frame, trigger guard finial (hidden, requires disassembly), and handwritten on the underside of both grip panels. The period replacement barrel is numbered "90762" on bottom. The cylinder is unnumbered. Single letter sub-inspection marks located on various components. Boxed script "BH" (Benjamin Hannis) inspection cartouche stamped on the left grip panel. Threaded "pinched" blade front sight and top strap groove rear sight.