Manufactured in 1916, and included in a shipment of 1,014 pistols sent to the U.S. Springfield Armory in Massachusetts, on September 30, 1916, as listed on page 517 of "U.S. Military Automatic Pistols 1894-1920" by Meadows. Features fixed oval blade front and notch rear sights, blued barrel with "P" and "H" marked on top and "5" on the bottom, long smooth trigger, checkered slide release and thumb safety, short grip safety, wide checkered hammer, and a smooth straight mainspring housing with a lanyard loop on the base. The slide bears the two-line, two-block patent dates and address on the left, along with model and U.S. Army nomenclature on the right and "H" marked at the top of the hammer recess. The left side of the frame has a U.S. property marking and light "GHS" inspection mark, with serial number on the right. Fitted with a pair of diamond pattern checkered walnut grips and an unmarked two-tone magazine with pinned base.