185.00 Cooey 840 20 Gauge Single Shot Oshawa / Durham Region Jun 2, 2024 - 2:39 PM 3screwsloose NO TRADES. Cooey 840 single shot made by Winchester Western in Canada. 20 gauge 2 3/4 and 3 inch chamber. 28 inch barrel with fixed full choke. Action locks up tight and functions A1.