325.00 (*) (Used) Winchester Model 37A (Youth) Shotgun. Ga.20, 2 3/4 & 3Inch, Improved Modified Choke, 26 Inch Barrel, St. Catharines Apr 29, 2024 - 4:12 AM poor man jack (Used) Winchester Model 37A (Youth) Shotgun. Ga.20, 2 3/4 & 3Inch, Improved Modified Choke, 26 Inch Barrel. This Shotgun has been used but still in good working order. Check photos for condition of the shotgun. Need a valid PAL.