--- title: "Orthos Raider S4 OD Green Semi-Auto Shotgun" description: "12-gauge semi-auto shotgun with an 18.5\" chrome-lined barrel, 6+1 capacity, 3\" chamber, M-LOK handguard, adjustable cheek pad, and LED fiber optic front sight." canonical_url: "https://www.kygunco.com/product/orthos-s4rod-raider-s4-12ga-od-green-collapsible-stock-mlok" meta: author: KYGUNCO "og:description": "12-gauge semi-auto shotgun with an 18.5\" chrome-lined barrel, 6+1 capacity, 3\" chamber, M-LOK handguard, adjustable cheek pad, and LED fiber optic front sight." "og:image": "https://cdn.kygunco.com/assets/products/249529/thumbnail.jpg?v=1713457244" "og:image:height": "500" "og:image:width": "500" "og:title": "Orthos Raider S4 OD Green 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-S4ROD ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/249529/main.jpg?v=1713457244) 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 | OD Green The Orthos Raider S4 is a 12-gauge semi-automatic shotgun with an 18.5" chrome-lined smoothbore barrel, 6+1 capacity, OD Green finish, and 3" chamber. It includes an adjustable cheek pad and SHOCK FORCE recoil system, M-LOK handguard, Picatinny top rail, ghost-ring sights, and FIBERTRON LED front sight. See Price In Cart ** 5 interest-free payments of **$256.60** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$157.19**/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 Handled by our expert shippers in Bardstown, KY. ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Almost gone. Order now before it sells out. Item # 249529 Style RTH-S4ROD UPC 850039520617 Condition New Manufacturer [Orthos](https://www.kygunco.com/brand/orthos) Model Raider S4 Hand Right Hand Finish Green Round Capacity 6 Caliber 12 Gauge Action Semi-Auto Barrel Length 18.5 in The Raider S4 shotgun has been refined over years of development to deliver high performance and shooter comfort. It features the SHOCK FORCE recoil system, which reduces felt recoil and allows for comfortable use of powerful 3" magnum shells. An adjustable cheek pad is included for a personalized fit, improving both comfort and control. The shotgun also comes with upgraded furniture, along with an enhanced charging handle and bolt release for smooth and intuitive operation. For fast and accurate target acquisition, the Raider S4 is equipped with the FIBERTRON LED front sight. A small built-in LED adds a subtle glow to the fiber optic post, increasing visibility in low light conditions. All of these premium features are included standard, making it a complete and ready-to-use platform right out of the box.Capacity: 6 Gauge: 12 Gauge Grip: Angled 3 Piece Modular Vertical Grip With MLOK Rail Grips Top Rail: Top Mounted Picatinny Rail System: Gas Operated Semi Automatic Chamber: 3", 2 3/4" Ammunition: 3", 2 3/4" Receiver Material: T6 7075 Hardened Aluminum Hand Guard: MLOK Aluminium Barrel: 4140 Full Steel Smooth Chrome Lined 18.5" Choke: Benelli Standard Stock: Adjustable With Patented SHOCK FORCE Recoil System Ejector: Spring Assist Ejector Charging Handle: Advanced Oversized Trigger: Advanced Trigger Grip: Rubber Overmolded Sling Mounts: Front And Rear Cheek Pad: Adjustable Sights: Ghost Ring With FIBERTRON LED Fiber optic Light Up front Sight Safety: Oversized Safety Switch Bolt Release: Large Enhanced Lever Overall Length: 40" (with stock collapsed) Weight: 9.5 lbs 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-s4rod-raider-s4-12ga-od-green-collapsible-stock-mlok#webpage","@type":"WebPage","description":"12-gauge semi-auto shotgun with an 18.5\" chrome-lined barrel, 6+1 capacity, 3\" chamber, M-LOK handguard, adjustable cheek pad, and LED fiber optic front sight.","name":"Orthos Raider S4 OD Green Semi-Auto 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