SPORT KING 1ST MODEL: made from 1951-1954 with a lever takedown and 1954-1958 with a pushbutton takedown. In both 4.5 and 6.75 inch barrel lengths. SPORT KING - LIGHTWEIGHT: made from 1954-1965, differing from the Standard only in that it had an alloy frame, reducing the weight about 9 oz. SPORT KING 2ND MODEL: introduced in 1958 and made until 1984. No visible external changes, all modifications being internal. FIELD KING: made from 1951-1958. Basically the same gun as the Sport King with target sights and a heavier target barrel. SUPERMATIC: made from 1951-1958 in 4.5 and 6.75 inch barrels. Adjustable target sights and adjustable barrel weights. SUPERMATIC TOURNAMENT: made from 1958-1966 in a 5.5 inch bull barrel or 6.75 inch heavy barrel. Adjustable barrel weights. SUPERMATIC CITATION: made in 6.75, 8 and 10 inch barrels, longer barrels tapered with stabilizers and removable weights. Made from 1958-1966. SUPERMATIC TROPHY: modification of the Citation with a 5.5 inch bull barrel or 7.75 inch fluted barrel, with detachable stabilizer and weights. Extremely well made and well finished. Made from 1963-1966. Gunclip Depot has the largest selection of High Standard gun magazines and gun clips. If you do not see the gun magazine you are looking for send us an email and we will try to locate it for you. Buy your gun magazines and gun clips at gunclip depot.