--- title: Introducing the 590S™ Pump-Action Series description: Introducing the 590S™ Pump-Action Series image: https://resources.mossberg.com/hubfs/Screen%20Shot%202022-04-25%20at%2003.13.14.png --- [Law Enforcement](https://lawenforcement.mossberg.com/) [Sign In](https://www.mossberg.com/customer/account/login) / [Sign Up](https://www.mossberg.com/customer/account/create/) [Firearms](https://www.mossberg.com/firearms.html) [Store](https://www.mossberg.com/store.html) [![Mossberg](https://resources.mossberg.com/hubfs/raw_assets/public/mossberg-theme/images/logo.svg)](https://www.mossberg.com) [Support](https://www.mossberg.com/help/) [Journal](https://resources.mossberg.com/journal) [Dealers](https://www.mossberg.com/dealers/) [Cart](https://www.mossberg.com/checkout/cart/) [Sign In](https://www.mossberg.com/customer/account/login) / [Sign Up](https://www.mossberg.com/customer/account/create/) [Dealers](https://www.mossberg.com/dealers/) - [Firearms](https://www.mossberg.com/firearms.html) - [Store](https://www.mossberg.com/store.html) - [Support](https://www.mossberg.com/help/) - [Journal](https://resources.mossberg.com/) [Military/Law Enforcement](https://lawenforcement.mossberg.com/) - [Home](https://www.mossberg.com) - [Journal](https://resources.mossberg.com/journal) - Introducing the 590S™ Pump-Action Series [Product](https://resources.mossberg.com/journal/tag/product) # Introducing the 590S™ Pump-Action Series 3 Min Read By [Mossberg](https://resources.mossberg.com/journal/author/admin) ![Introducing the 590S™ Pump-Action Series](https://resources.mossberg.com/hubfs/Screen%20Shot%202022-04-25%20at%2003.13.14.png) O.F. Mossberg & Sons, Inc., America’s oldest family-owned firearms manufacturer in the United States, continues its legacy of industry firsts with the introduction of the [590S Series](https://www.mossberg.com/category/series/590s/) of 12-gauge pump-actions; capable of cycling 1.75, 2.75 and 3-inch shotshells interchangeably, in any combination, without the use of an adaptor. The 590S Series includes two full-length stock options and two versions of the bird’s head-gripped Shockwave.     Based upon Mossberg’s legendary 500 pump-action platform, 590 tactical guns include non-binding twin action bars; positive steel-to-steel lock-up and anti-jam elevator; dual extractors; drilled and tapped receivers; and universally-recognized, ambidextrous top-mounted safety. Enhancing the decades-proven 500 platform is a convenient clean-out magazine tube with cap for ease of maintenance. Additional features of the 590S series include black synthetic stock and forend; cylinder bore barrel (AccuChoke™ barrel on the 20-inch version); matte blue metal finish; sling swivel studs; and logo-engraved receiver on all models. Key design changes of the 590S include a redesigned elevator and bolt slide combined with the addition of an energy-absorbing bumper. This patent-pending innovative platform allows the user to load their choice of shotshell length (1.75, 2.75 and 3-inch) and shotshell type for their specific shooting needs, and in any combination. Use of shorter shell lengths will also increase the overall capacity of the 590S. ## 590S Pump-Action Shotguns (51603/51602) Available in two configurations, the 590S with 18.5-inch barrel features a front bead sight and corncob forend, while the 20-inch version has an adjustable Ghost Ring sight, AccuChoke-compatible barrel and versatile M-LOK® compatible forend. **MSRP: $623 - $731** [![](https://resources.mossberg.com/hs-fs/hubfs/Imported_Blog_Media/51602_590S_9Shot_MLOK_910px-1.png?width=1159&height=242&name=51602_590S_9Shot_MLOK_910px-1.png)](https://www.mossberg.com/product/590s-51602/) **#51602**   [![](https://resources.mossberg.com/hs-fs/hubfs/Imported_Blog_Media/51603_590S_7Shot_910px-1.png?width=1097&height=217&name=51603_590S_7Shot_910px-1.png)](https://www.mossberg.com/product/590s-51603/) **#51603** ---   ## 590S Shockwave Pump-Actions (51601/51600) The compact bird’s head-gripped Shockwave versions come with a choice of 14.375 or 18.5-inch barrel lengths; front bead sight; and strapped, corncob-style forend for ease of control. **MSRP: $623**   [![](https://resources.mossberg.com/hs-fs/hubfs/Imported_Blog_Media/51601_590S_Shockwave_14in_910px-1.png?width=910&height=147&name=51601_590S_Shockwave_14in_910px-1.png)](https://www.mossberg.com/product/590s-shockwave-51601/) **#51601**   [![](https://resources.mossberg.com/hs-fs/hubfs/Imported_Blog_Media/51600_590S_Shockwave_18_5_910px-1.png?width=1092&height=156&name=51600_590S_Shockwave_18_5_910px-1.png)](https://www.mossberg.com/product/590s-shockwave-51600/) **#51600**   For the ultimate in shooting flexibility, check out the all-new [Mossberg 590S Series](https://www.mossberg.com/category/series/590s/) of pump-actions and see why Mossberg continues to be a leader in firearms innovation and reliability. ## Mossberg 590S Pump-Action Shotguns Specifications: ![](https://resources.mossberg.com/hs-fs/hubfs/Imported_Blog_Media/updated-Introducing-590S%E2%84%A2-Pump-Action-Line-chart-1.png?width=2540&height=1000&name=updated-Introducing-590S%E2%84%A2-Pump-Action-Line-chart-1.png) M-LOK® is a registered trademark of Magpul Industries Corp. 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