The TX3 20HD A1 blends classic pump-action design with a mix retro styling and modern enhancements making it a go-to firearm for home defense or fun at the range. Inspired by iconic riot shotguns it sports a ventilated heat shield atop the chrome-lined drilled barrel. The receiver comes with an integrated weaver rail that securely mounts the rear ghost-ring sight with a picatinny rail for mounting optics as needed and the fiber-optic front makes target acquisition a snap in varying lighting conditions. TX3 12HD(M) A1 models are compatiable with Mossberg® 500/590 furniture. - Caliber: 20 Gauge 3 Chamber - Barrel Length: 18.5 - Stock: Turkish Walnut- 500/590 Compatible - Capacity: 4+1 - Sights: Ghost Ring Rear/Fiber Optic Front - Finish: Black Chrome - OAL/Weight: 38.27/6lb 10oz - Choke Tube: Benelli/Mobil® 1/3/5 Included