Mossberg 940 Pro Series, Turkey, Semi-automatic, 12 Gauge 3 Chamber, 24 Barrel, Mossy Oak Greenleaf, ProSeries Enhanced Internal Parts Kit, HIVIZ CompSight Fiber Optic Front Sight, X-Factor XX Full Choke Tube, 4 Rounds 85156 940 Pro Turkey shotguns come optic-ready, with receiver cuts that accept low-profile direct mounting of Shield RMSc-pattern micro dot sights, for improved eye alignment and target acquisition.