--- title: "Orthos Raider S4 12 Gauge Semi-Auto Shotgun" description: "Semi-auto 12 gauge shotgun with an 18.5\" barrel, 3\" chamber, 6+1 capacity, adjustable stock, M-LOK grips, and top Picatinny rail." canonical_url: "https://www.kygunco.com/product/orthos-s4rae-raider-s4-12ga-alpine-elite-collapsible-stock" meta: author: KYGUNCO "og:description": "Semi-auto 12 gauge shotgun with an 18.5\" barrel, 3\" chamber, 6+1 capacity, adjustable stock, M-LOK grips, and top Picatinny rail." "og:image": "https://cdn.kygunco.com/assets/products/249531/thumbnail.jpg?v=1713457266" "og:image:height": "500" "og:image:width": "500" "og:title": "Orthos Raider S4 12 Gauge Semi-Auto Shotgun" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Shotguns](https://www.kygunco.com/category/shooting/guns/shotguns) / [Semi-Auto](https://www.kygunco.com/category/shooting/guns/shotguns/semi-auto) / RTH-S4RAE ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/249531/main.jpg?v=1713457266) For illustration purposes only, this image may not be an exact representation of the product. # ORTHOS Raider S4 Tactical 12 Gauge 3" 18.5" 6+1 Semi-Auto Shotgun - M-LOK | Alpine Elite The Orthos Raider S4 Tactical is a semi-auto 12 gauge shotgun with a 3" chamber, 18.5" barrel, and 6+1 capacity. Its adjustable stock supports a personalized fit, while M-LOK grips and a top-mounted Picatinny rail provide modular accessory and optic mounting options. See Price In Cart ** 5 interest-free payments of **$322.56** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$197.59**/month with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** Ships To FFL Dealer Fulfilled by a partner warehouse. ** Partner Fulfilled ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Selling fast. Limited quantities available. Item # 249531 Style RTH-S4RAE UPC 850052736798 Condition New Manufacturer [Orthos](https://www.kygunco.com/brand/orthos) Model Raider S4 Hand Right Hand Finish White Round Capacity 6 Caliber 12 Gauge Action Semi-Auto Barrel Length 18.5 in A key feature of the Orthos Raider S4 Woodland Camo Elite is its adjustable stock, designed to enhance user comfort and adaptability. Whether you’re engaging in tactical operations or recreational shooting, the adjustable stock allows you to modify the firearm to suit your personal preferences or specific tactical needs. This customization ensures the best possible fit for different shooting positions or body types, providing stability and control. The flexibility of the stock also makes the S4 Woodland Camo Elite an excellent choice for shooters who require quick adjustments on the fly, especially in dynamic environments. Equipped with MLOK grips, the Orthos Raider S4 Woodland Camo Elite offers superior handling. The MLOK system provides a secure, ergonomic grip, enhancing control and accuracy when firing. More than just comfort, the MLOK system allows for seamless attachment of accessories, such as foregrips, tactical lights, or laser sights. This modularity makes the firearm adaptable to various tactical setups, providing users with the ability to modify the weapon to meet different mission requirements. Whether outfitted for home defense or outdoor pursuits, the MLOK grips and accessory compatibility add to the firearm's overall versatility. The top-mounted Picatinny rail enhances the Orthos Raider S4’s operational flexibility. This rail system makes it easy to mount a range of optics, including red dot sights, scopes, or magnifiers, to suit the shooter’s needs. The ability to quickly attach or detach sights gives the shooter an edge in both speed and precision, making the firearm adaptable for any situation, whether it requires fast target acquisition or long-range accuracy. The Picatinny rail transforms the Orthos Raider S4 into a customizable platform ready for any tactical or defensive scenario. Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Don't Forget Your Ammo ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/orthos-s4rae-raider-s4-12ga-alpine-elite-collapsible-stock#webpage","@type":"WebPage","description":"Semi-auto 12 gauge shotgun with an 18.5\" barrel, 3\" chamber, 6+1 capacity, adjustable stock, M-LOK grips, and top Picatinny rail.","name":"Orthos Raider S4 12 Gauge Semi-Auto 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