DetailsBrand: PanzerModel: M4 Marine Gauge: 12 gaugeBarrel Length: 18.5Action: Semi AutoStock: Fixed standard stockCapacity: 5 roundsColor: NickelFeaturesIf you're looking for a shotgun that's as tough as it is reliable, the M4 Tactical 12 Gauge Shotgun from Panzer Arms is the gun for you.It's light, durable, fast-handling, and an exact copy of the well-respected brand name with the famous A.R.G.O Piston-driven semi-auto actionone of the best ever developed and cycles everything from target loads to the heaviest 3-inch magnums.You'll also get an extended mag tube with sling attachment points and a rail section running along the top of the receiverperfect for optics mounting if you want to go that route or if not, ghost ring sights come standard.This particular model is enhanced with an Electroless Nickel-Phosphorus Plating finish for increased corrosion resistance and durability. The barrel, receiver, magazine tube and many internal parts are also coatedthe bolt is black over chrome plated giving it added toughness and also proving a beautiful accent to the black stock.