Perazzi 31.5" 3-notch adjustable rib barrel. Weight: 1.66 kg; 18.7 Big Bore. 6 factory-installed extended chokes + 2 Muller Chokes. Bought new in 03/12. Less than 500 shells through these barrels; perfect condition. $5,000.00 new; sell for $4,250.00.