Smith & Wesson manufactured approximately 5,934 of these revolvers for the U.S. military circa 1876-77. The two line address/patent dates is marked on the left side of the ejector housing flanked by elongated Maltese crosses. The right side of the ejector housing is marked "+SCHOFIELD'S PATS JUNE 20th 71 APR 22nd 78+". The butt is marked "U.S." on the heel along with the serial number. The rear cylinder face is stamped with the matching serial and Ordnance sub-inspector's "E" and "P", which are also marked on the bottom flat of the ejector housing. Fitted with smooth walnut grips with a clear oval Ordnance inspector's script initials cartouche over the date "1876" on the left side and "CW" on the right side. The matching serial number is stamped on the inside of the right panel. Many Schofield revolvers were issued to the 4th Cavalry which saw service in the "Geronimo Campaign" and the famous 9th and 10th U.S. Cavalry comprised of the "Buffalo Soldiers" stationed in the American Southwest. People such as the James Brothers, Cole Younger, U.S. Marshall Bill Tilghman and the Chief Scout for Custer, "Lonesome Charley" Reynolds were known to carry a Schofield revolver.