This is a Winchester model 37 Youth/Boys/Red Dot breach loading shotgun (Steelbilt) in 20 gauge with a 26" modified choke smooth round barrel. It uses 2.75" shells only. No S/N. Manufactured 1936-63. Stock is in excellent condition with less than the usual handling marks, also has the Winchester red rubber butt pad and red dot on receiver that was standard with this model. Barrel is in excellent condition inside and out. Overall condition is 98%.