Quick view TriStar Tristar Cobra Iii, Tri 23152 Cobra Iii Pump Syn 20/28 Ct-3 $416.15 $340.18 The cobra iii field is a 3" pump action shotgun that allows you to shoot light target loads to heavy waterfowl loads.It features a removable choke system that uses beretta/benelli mobil threads, includes three choke tubes (ic, m, f), choke box, and... Compare Add to Cart