This is perhaps one of the BEST original condition Winchester Model 21 16 gauges in existence. Serial number 6399.  Completely original and in at least 96% original condition overall.  It features a single trigger, extractors and splinter fore end.  Barrels are 28 choked mod & full and LOP is 14 from single trigger over original Winchester butt plate.  DAH is 2 1/2 DAC is 1 3/4.  Weight is 6lbs 12oz. Pretty wood and sharp checkering.  This is a true original survivor model 21.  If you collect minty UNRESTORED small bore 21s, this one is for you.