Marlin Model 512 Slugmaster, 12 ga. bolt action shotgun.  Serial #512D1873.  Excellent condition.  21” fully rifled barrel has excellent shiny bore.  3”magnum chamber. Two shot detachable magazine. Hooded front and open rear sights.  Barrel and receiver have near 100% matte blue finish.  Hardwood stock has excellent finish with couple minor handling marks, rubber recoil pad.  Weaver side mount scope base.  Heavy and massive – a 12 ga. express rifle!