What's in the Box Benelli Montefeltro 12 Gauge Shotgun Additional Chokes Shim Kit Owner's Manual This Benelli Montefeltro semi-auto shotgun features a blued 28" barrel and satin walnut stock. Firearm Features Inertia Driven System Crio Choke System Firearm Specifications Manufacturer: Benelli Model: Monefeltro Caliber: 12 gauge Barrel Length: 28" Chamber: 2 3/4", 3" Length of Pull: 14 3/8" Overall Length: 49.5" Finish: Blued Stock: Satin Walnut Sights: Red Bar Front Magazine Capacity: 4+1