Gauges: 28 ga. Barrels: 28” with 5x5 top rib. Stock: Wood, pistol grip style. Features: Latest addition to the A400 Upland family of gas-operated semi-autos. Nickel-plated receiver with unique “28” gauge-specific receiver engraving. Magnum, 3” chamber. Field strip without tools. Extralight recoil pad. Ships with three OPHC flush chokes.