--- title: "Mossberg M990 SPX 12 Gauge 7rd Shotgun - Black" description: "Semi-auto 12 gauge shotgun with an 18.5\" barrel, 7+1 capacity, Shield RMSc optic-ready receiver, fiber-optic front sight, and Cylinder Bore choke." canonical_url: "https://www.kygunco.com/product/mossberg-m990-spx-12ga-18.5-7rd-blue-aftershock-black" meta: author: KYGUNCO "og:description": "Semi-auto 12 gauge shotgun with an 18.5\" barrel, 7+1 capacity, Shield RMSc optic-ready receiver, fiber-optic front sight, and Cylinder Bore choke." "og:image": "https://cdn.kygunco.com/assets/products/300630/thumbnail.jpg?v=1770736775" "og:image:height": "500" "og:image:width": "500" "og:title": "Mossberg M990 SPX 12 Gauge 7rd Shotgun - Black" --- > 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) / [Pistol Grip Only](https://www.kygunco.com/category/shooting/guns/shotguns/pistol-grip-only) / MSS-83013 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/300630/main.jpg?v=1770736775) For illustration purposes only, this image may not be an exact representation of the product. # MOSSBERG M990 SPX 12Ga 18.5" 7rd - Black The Mossberg M990 SPX is a gas-operated, semi-auto 12 gauge shotgun with an 18.5" matte-black steel barrel, 7+1 capacity, and a 30.88" overall length. Its optic-ready receiver uses the Shield RMSc footprint, while the fiber-optic front sight, integrated heat shield, M-LOK slots, QD sling ports, and Cylinder Bore choke support configuration options. Three adapter plates for RMR, Docter, and Leupold-footprint optics are included. $942.42 ** 5 interest-free payments of **$188.48** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$168.25**/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 # 300630 Style MSS-83013 UPC 015813830133 Condition New Manufacturer [Mossberg](https://www.kygunco.com/brand/mossberg) Model M990 Round Capacity 7 Caliber 12 Gauge Action Semi-Auto Barrel Length 18.5 in Ultra-compact and highly maneuverable, the 990 AfterShock SPX is built for fast handling and modular performance. Its optic-ready receiver supports easy installation of micro-dot sights, while the enlarged, beveled loading port ensures quick, streamlined reloading. A magazine-tube extension with integrated M-LOK slots offers customizable accessory mounting options. Up front, a fiber-optic sight with low-profile protective wings delivers enhanced visibility and durability. The forend adds further capability with its integrated heat shield, multiple M-LOK accessory slots, and QD sling ports. The shotgun comes equipped with a Cylinder Bore choke and includes three additional adapter plates for RMR, Docter, and Leupold-footprint optics. FEATURES - Gas-operated system - Optic-ready (Shield RMSc footprint) - Fiber-optic front sight - Integrated heat-shield barrel - Drilled & tapped receiver - Black polymer grips - Cylinder Bore choke included - Designed for home-defense use SPECIFICATIONS - Gauge: 12 - Capacity: 7+1 - Action: Semi-Auto - Overall Length: 30.88" - Chamber: 3" - Barrel Length: 18.50" - Barrel Material: Steel - Barrel Finish: Matte Black - Receiver Finish: Matte Black - Choke Configuration: Accu-Choke - Mount Type: Shield RMSc Footprint - Weight: 6.29 lbs ** 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/mossberg-m990-spx-12ga-18.5-7rd-blue-aftershock-black#webpage","@type":"WebPage","description":"Semi-auto 12 gauge shotgun with an 18.5\" barrel, 7+1 capacity, Shield RMSc optic-ready receiver, fiber-optic front sight, and Cylinder Bore choke.","name":"Mossberg M990 SPX 12 Gauge 7rd Shotgun - Black","url":"https://www.kygunco.com/product/mossberg-m990-spx-12ga-18.5-7rd-blue-aftershock-black","about":{"@id":"https://www.kygunco.com/product/mossberg-m990-spx-12ga-18.5-7rd-blue-aftershock-black#/schema//kygunco"},"breadcrumb":{"@id":"https://www.kygunco.com/product/mossberg-m990-spx-12ga-18.5-7rd-blue-aftershock-black#breadcrumb"},"isPartOf":{"@id":"https://www.kygunco.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://www.kygunco.com/product/mossberg-m990-spx-12ga-18.5-7rd-blue-aftershock-black"]}]},{"@id":"https://www.kygunco.com/#/schema/organization/kygunco","alternateName":"Kentucky Gun Company","currenciesAccepted":"USD","description":"Shop KYGUNCO for firearms, ammo, gun parts, optics, shooting accessories, and outdoor gear with online ordering and shipping options across the U.S.","email":"info@kygunco.com","foundingDate":"1946-01-01","hasMap":"https://www.google.com/maps/dir/?q=place_id:ChIJfwecWCBSaIgRguIjuoPha40","logo":"https://www.kygunco.com/logos/kygunco.svg","name":"KYGUNCO","priceRange":"$$","telephone":"+1-502-348-3594","url":"https://www.kygunco.com","@type":["Organization","LocalBusiness"],"address":{"@type":"PostalAddress","streetAddress":"401 Glenwood Drive","addressLocality":"Bardstown","addressRegion":"KY","postalCode":"40004","addressCountry":"US"},"contactPoint":{"@type":"ContactPoint","contactType":"Customer Service","telephone":"+1-502-348-3594","email":"info@kygunco.com","availableLanguage":"English","hoursAvailable":{"@type":"OpeningHoursSpecification","dayOfWeek":["https://schema.org/Monday","https://schema.org/Tuesday","https://schema.org/Wednesday","https://schema.org/Thursday","https://schema.org/Friday"],"opens":"09:00","closes":"17:00"}},"geo":{"@type":"GeoCoordinates","latitude":37.8032518,"longitude":-85.4252895},"hasMerchantReturnPolicy":{"@type":"MerchantReturnPolicy","name":"Standard Return Policy","inStoreReturnsOffered":true,"merchantReturnDays":30,"returnPolicyCategory":"https://schema.org/MerchantReturnFiniteReturnWindow","returnMethod":["https://schema.org/ReturnByMail","https://schema.org/ReturnInStore"],"returnFees":"https://schema.org/FreeReturn","refundType":["https://schema.org/ExchangeRefund","https://schema.org/FullRefund","https://schema.org/StoreCreditRefund"],"applicableCountry":"US"},"hasOfferCatalog":{"@type":"OfferCatalog","name":"KYGUNCO Catalog","url":"https://www.kygunco.com/search"},"image":{"@id":"https://www.kygunco.com/#/schema/image/1"},"knowsAbout":["Firearms sales and transfers","FFL dealers and compliance","Optics and accessories","Outdoor and hunting equipment"],"openingHoursSpecification":[{"@type":"OpeningHoursSpecification","dayOfWeek":["https://schema.org/Monday","https://schema.org/Tuesday","https://schema.org/Wednesday","https://schema.org/Thursday","https://schema.org/Friday","https://schema.org/Saturday"],"opens":"09:00","closes":"18:00"}],"paymentAccepted":["Credit Card","Credova","Sezzle"],"sameAs":["https://x.com/kygunco","https://www.facebook.com/kentuckygunco","https://www.instagram.com/kygunco","https://www.youtube.com/@thekentuckygunco","https://rumble.com/c/KYGUNCO"]},{"@id":"https://www.kygunco.com/product/mossberg-m990-spx-12ga-18.5-7rd-blue-aftershock-black#product","@type":"Product","description":"Semi-auto 12 gauge shotgun with an 18.5\" barrel, 7+1 capacity, Shield RMSc optic-ready receiver, fiber-optic front sight, and Cylinder Bore choke.","gtin":"015813830133","mpn":"83013","name":"Mossberg M990 SPX 12 Gauge 7rd Shotgun - 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