37 winI have a model 37 that I bought new in 1970 and have never had a problem with it. However, the last few times I have shot the gun out of about 50 rounds about 2 or 3 wouldn'tWinchester Model 37 Red Letter 28 Gauge Description: This is a used Winchester, Model 37 Red Letter 28 gauge shotgun Is a single shot with a break open action It has a 28 full choke