Eightbore is right a lot of Parker 3 inch 20 ga's went to the west coast. in 1915 170xxx went to a prominate shooter in Oregon. Acording to PGCA letter the DHE grade gun had two sets of barrels 32 Inch F&F, 28 Inch F&M both sets of barrels having 2 and 7/8 inch chamber's. Gun was built on O frame and weighed 6 Lbs.