TriStar Viper G2 12 Gauge 3" Realtree Max-5 Semi Automatic Shotgun - 30" barrel, semi-automatic, gas operated shotgun. Removable choke system uses Beretta/Benelli Mobil threads, includes three choke tubes (IC, M, F), choke box, and wrench. Manual E-Z load mag cut-off, vent ribbed barrel with matted sight plane & fiber optic front sight and chrome-plated chamber. A shot plug is included. This 12 gauge G2 model features an overall Realtree Max-5 camo finish. Shim kit. New in factory box