A new approach to home defense comes standard with an ergonomic thumbhole stock for improved handling and a sturdy grip. This shotgun is built specifically for any task. The 320 Security Thumbhole model combines and 18.5" barrel with a matte black forend and thumbhole stock with texturing. Like all 320 shotguns it features a smooth reliable pump action proven rotary bolt and dual slide bars. Two models are available with ghost ring sights or a front bead sight for personal preference.Features: Pump action shotgun with dual slide bars and rotary bolt 12 & 20 Gauge Options Matte black synthetic stock and forend Thumbhole stock with ambidextrous cheek riser and rugged grip textures Chrome alloy steel 18.5" matte black security barrel 3-inch chamber Swivel stud on stock and magazine cap Bottom-loading tube magazine (5+1 Capacity) Recoil pad Ghost Ring Sight Specifications: Action: Pump Barrel Color: Black Barrel Finish: Matte Barrel Length (in)/(cm): 18.5 / 45.7 Barrel Material: Chrome Alloy Steel Caliber: 20 GA Magazine Capacity: 5 Hand: Ambidextrous Length of Pull (in)/(cm): 13.75 / 33.0 Magazine: Tube Overall Length (in)/(cm): 39.1 / 99.1 Rate of Twist (in): 1 in 0 Receiver Color: Black Receiver Finish: Matte Receiver Material: Light Alloy Type: Shotgun Stock Color: Black Stock Finish: Matte Stock Material: Synthetic Stock Type: Thumbhole Weight (lb)/(kg): 7.1 / 3.31