--- title: "Century Arms AP51 7.62x51mm Firearm, Black" description: "Chambered in 7.62x51mm with an 8.3\" cold hammer forged barrel, 20rd G3-pattern polymer magazine, ambidextrous selector, and birdcage flash hider." canonical_url: "https://www.kygunco.com/product/century-arms-ap51-308-win-8.3-20rd-black" meta: author: KYGUNCO "og:description": "Chambered in 7.62x51mm with an 8.3\" cold hammer forged barrel, 20rd G3-pattern polymer magazine, ambidextrous selector, and birdcage flash hider." "og:image": "https://cdn.kygunco.com/assets/products/280504/thumbnail.jpg?v=1743017810" "og:image:height": "500" "og:image:width": "500" "og:title": "Century Arms AP51 7.62x51mm Firearm, 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) / [Handguns](https://www.kygunco.com/category/shooting/guns/handguns) / [Semi-Auto](https://www.kygunco.com/category/shooting/guns/handguns/semi-auto) / CNT-HG7887-N ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/280504/main.jpg?v=1743017810) For illustration purposes only, this image may not be an exact representation of the product. # CENTURY ARMS AP51 308 Win 8.3" 20rd - Black The Century Arms AP51 is a 7.62x51mm firearm based on the HK51 PDW, featuring an 8.3" cold hammer forged barrel, 20rd G3-pattern polymer magazine, Navy-style grip assembly, ambidextrous selector, wide handguard, and birdcage-style flash hider. It measures 23.3" overall and weighs 7.9 lb unloaded. See Price In Cart ** 5 interest-free payments of **$321** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$196.64**/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 # 280504 Style CNT-HG7887-N UPC 787450933477 Condition New Manufacturer [Century Arms](https://www.kygunco.com/brand/century-arms) Model AP51 Finish Black Round Capacity 20 Caliber 308 Win, 7.62 NATO Action Semi-Auto Barrel Length 8.3 in The Century Arms AP 51 is based on the iconic HK51 PDW and is chambered in 7.62x51mm, with a 20 round G3 Patterned Polymer magazine, an overall length of 23.3 inches, a width of 2.2 inches, a height of 8.5 inches, a cold hammer forged barrel length of 8.3 inches and an unloaded weight of 7.9lbs (3.6kg). The AP 51 is equipped with a Navy style assembly with an ambidextrous selector, MP5 compatible wide handguard, standard G3 trigger set-up and bird cage style flash hider. - Navy Style Grip Assembly - Ambi Selector Switch - Bird Cage Style Flash Hider - Wide Handguard 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/century-arms-ap51-308-win-8.3-20rd-black#webpage","@type":"WebPage","description":"Chambered in 7.62x51mm with an 8.3\" cold hammer forged barrel, 20rd G3-pattern polymer magazine, ambidextrous selector, and birdcage flash hider.","name":"Century Arms AP51 7.62x51mm Firearm, 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