--- title: "Mossberg 990 AfterShock Black 12 Gauge Shotgun" description: "Black 12 gauge semi-auto shotgun with an 18.5\" barrel, 5-round capacity, fiber optic front sight, oversized safety, and M-LOK magazine tube extension." canonical_url: "https://www.kygunco.com/product/mossberg-990-aftershock-12ga-20ga-18.5-5rd-black" meta: author: KYGUNCO "og:description": "Black 12 gauge semi-auto shotgun with an 18.5\" barrel, 5-round capacity, fiber optic front sight, oversized safety, and M-LOK magazine tube extension." "og:image": "https://cdn.kygunco.com/assets/products/289886/thumbnail.jpg?v=1751896850" "og:image:height": "500" "og:image:width": "500" "og:title": "Mossberg 990 AfterShock Black 12 Gauge 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) / [Pistol Grip Only](https://www.kygunco.com/category/shooting/guns/shotguns/pistol-grip-only) / MSS-83002 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/289886/main.jpg?v=1751896850) For illustration purposes only, this image may not be an exact representation of the product. # MOSSBERG 990 Aftershock 12GA 18.5" 5rd - Black The Mossberg 990 AfterShock is a black semi-automatic 12 gauge shotgun with an 18.5" barrel and 5-round capacity. It features a fiber optic front sight, oversized safety, corrosion-resistant internal components, an ergonomic grip, textured forend, and an M-LOK magazine tube extension. $847.49 ** 5 interest-free payments of **$169.50** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$151.30**/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. Item # 289886 Style MSS-83002 UPC 015813830027 Condition New Manufacturer [Mossberg](https://www.kygunco.com/brand/mossberg) Model 990 Aftershock Round Capacity 5 Caliber 12 Gauge Action Semi-Auto Barrel Length 18.5 in The 990 AfterShock Small Size, Big Tactical Performance. Ultra-compact and easy to maneuver, it delivers 5+1 semi-auto convenience paired with a host of functional tactical features. Inside, the 990's durable gas system and a host of corrosion-resistant internal parts/finishing (nickel boron-coated gas piston, magazine tube, hammer and sear), plus an enlarged/beveled loading port, elongated elevator, and anodized follower combine for smooth operation Outside, there's the ergonomically-designed AtterShock grip with rubberized palm pad, a streamlined forend with Mossberg signature texturing, and an embossed strap fora solid hold; plus a magazine tube extension with M-LOK mounting slots on the sides and bottom for easy accessory flexibility. - 18.5" Barrel - Fiber Optic Front Sight - Oversized Safety 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/mossberg-990-aftershock-12ga-20ga-18.5-5rd-black#webpage","@type":"WebPage","description":"Black 12 gauge semi-auto shotgun with an 18.5\" barrel, 5-round capacity, fiber optic front sight, oversized safety, and M-LOK magazine tube extension.","name":"Mossberg 990 AfterShock Black 12 Gauge 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