Mossberg® SA-20 All-Purpose Field Semi-Auto Shotgun 24" Barrel features a 3" chamber, and a gas-operated system that cycles 2-3/4" field loads to 3" magnums. The SA-20 All-Purpose Field comes with a synthetic black stock, and a matte black finish on all the metal parts to help you stay concealed in the shadows. A ventilated recoil pad softens recoil to keep you on target for quick follow-up shots. The cross-bolt safety behind the trigger is quick to engage. The Mossberg SA-20 All-Purpose Field Semi-Auto Shotgun! Has the choke tube system with a Mod choke installed. This is a sleek-lined, lightweight, fast-handling shotgun that's a joy to carry and gets on target instantly. Gas-operated semi-auto Synthetic black stock and fore-end Matte finished barrel and receiver Cycles 2-3/4" or 3" shells Ventilated recoil pad Cross-bolt safety Like new very clean