28 ga.: interchanges with Trulock’s Beretta/Benelli style. Stevens 411 12 gauge: interchanges with standard Tru-Choke.Stevens 320 12GA Shotgun.32 Rimfire Stevens Crack-shot 1900.Register a product with LG today and gain access to LG support services, including extended service plans, special product offers, and customer support.stevens model 320 pump, mirror bore, 2 ¾” and 3” chamber, fiber optic front sight with a rear adjustable ghost ring, all weather stock and fore arm excellent, 98% overall condition, our stock # d1541 sold stevens 320 description: stevens 320 in 12 ga cal., with 18' barrel.