The product is a paperback book titled "Automatic Pistol Caliber .45 M1911 and M1911A1 Field Manual" published by Periscope Film LLC in 2013. Written by the War Department, the book provides information on the technology and engineering behind the M1911 and M1911A1 pistols. It is a nonfiction narrative that discusses the history and specifications of these iconic firearms, making it a valuable resource for enthusiasts and collectors alike. This field manual is a valuable addition to anyone interested in the history and operation of these classic pistols.