Gauges: 12 ga., 3 in., 20 ga., 3 in., 28 ga., 2.75 in, .410 bore, 3 in. Barrels: 26 in., 28 in., 30 in., ventilated rib. Weight: 6.0-6.5 lbs. Stock: Turkish walnut with oil finish. Features: ATI’s new O/U line has both Field and Sport models. Made from 7075 aluminum with laser engraving on the receiver. Single selective trigger, fiber-optic front sight, extractors, chrome-moly steel barrel. Ships with five chokes: flush on the Field, extended on the Sport.