12 ga. (3 in. chamber) over .223 Rem. cal., unique slide action O/U design allows stacked shotgun/rifle configuration, 18 3/4 in. shotgun barrel with invector chokes over 16 1/4 in. rifle barrel, detachable 4 (shotgun) and 5 (rifle) shot mags., open sights, Picatinny rail, synthetic stock and forearm, choice of black (MK-I) or RealTree 100% camo (MK-1RT) finish, single trigger with ambidextrous fire control lever, 8.6 lbs. Limited mfg. mid-1998-2001.