High security is fine; high maintenance isn't. Enter the Mossberg 500 Persuader shotguns -- the pump action shotguns you can count on for your security needs. Introduced in 1961, the Model 500 pump action utilizes an aluminum alloy receiver. The gun has a number of desirable features, including a barrel that is fully interchangeable, an easily manipulated top of receiver mounted safety, an anti jam elevator, dual extractors, and twin action bars for smooth and reliable operation. Model #50521 is available as a 6 shot with an 18" cylinder bore barrel, parkerized finish and includes a pistol grip kit.