Manufactured in 1887, the first year of production. The accompanying factory letter lists this shotgun with a 30 inch barrel in 12 gauge and plain trigger when it was received in warehouse on May 10, 1887, and shipped the same day. The left side of the barrel has an oval "WP" stamp, the left side of the action has the Winchester Repeating Arms Co. monogram, and the lower tang has the four-line address/patent dates marking. The smooth pistol grip stock is fitted with a checkered steel buttplate. Length of pull is 12 3/4 inches. The Winchester Model 1887 was the first highly successful repeating shotgun. 64,855 were manufactured in 1887-1901. Most prior shotguns were single or double barrel break actions.