Model P-17 Enfield Rifle made by Eddystone SN 678119 (No serial number on bolt. Grey parkerizing on rear of bolt. Stamped under arm "SN" "W" On top of arm, US flaming bomb ordnance mark. Calibre .30-06 Often called the "American Enfield" or M1917 Enfield. Officially called the "United States Rifle, caliber .30, Model of 1917. Eddystone was a subsidiary of Remington Arms located at the Baldwin Locomotive Works in Eddystone, Pennsylvania, USA.