Remington Model 31 .20 Ga Pump Shotgun.  The Remington model 31 is in nice used condition.  Barrel measures 28 inches.  Barrel reads 20 Ga for 2 3/4 or shorter shells.  Blueing is good and the wood stock is in nice used condition.  The Remington shotgun does have a aftermarket recoil pad.  This older Remington model 31 is a nice shotgun.   SN:  523492,  FFL required for transfer (1062-1)