--- title: "Alexander Arms .50 Beowulf Upper Receiver Kit" description: "Unassembled .50 Beowulf AR-15 upper kit with a 16.5\" threaded barrel, mid-length gas tube, low-profile gas block, bolt carrier group, and charging handle." canonical_url: "https://www.kygunco.com/product/alexander-arms-upper-parts-kits-50-beowulf-16-black-for-ar-15" meta: author: KYGUNCO "og:description": "Unassembled .50 Beowulf AR-15 upper kit with a 16.5\" threaded barrel, mid-length gas tube, low-profile gas block, bolt carrier group, and charging handle." "og:image": "https://cdn.kygunco.com/assets/products/259785/thumbnail.jpg?v=1724098896" "og:image:height": "500" "og:image:width": "500" "og:title": "Alexander Arms .50 Beowulf Upper Receiver Kit" --- > 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) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Upper Receivers](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/upper-receivers) / LXN-KIT50 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/259785/main.jpg?v=1724098896) For illustration purposes only, this image may not be an exact representation of the product. # ALEXANDER ARMS Upper Parts Kits 50 Beowulf 16" Black for AR-15 The Alexander Arms .50 Beowulf AR-15 upper receiver kit includes a black flat-top upper receiver, 16.5" threaded barrel with thread protector, mid-length gas tube, low-profile gas block, complete bolt carrier group, and charging handle. It is supplied unassembled and requires a handguard and barrel nut, which are not included. Compatible with standard mil-spec AR-15 lower receiver assemblies without modification. $803.99 ** 5 interest-free payments of **$160.80** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$143.53**/month with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Handled by our expert shippers in Bardstown, KY. Item # 259785 Style LXN-KIT50 UPC 819511021059 Condition New Manufacturer [Alexander Arms](https://www.kygunco.com/brand/alexander-arms) Weight 2 lb The .50 Beowulf Upper Receiver Kit is exactly what you expect from a fantastic company like Alexander Arms! Built on their standard specification upper receiver, the 16.5" barrel has a 49/64x20 threaded muzzle and includes a thread protector. This is a basic kit that comes with an upper receiver, the barrel and a mid-length gas tube with a low profile gas block. It also includes a complete bolt carrier group and charging handle. All you need to add is a handguard and barrel nut of your choice (not included). It's fully compatible with any standard mil-spec AR15 lower receiver assembly without making any modifications. When it comes to tactical styled big bore rifles, the .50 Beowulf is really the only place to start! If you've heard of the .50 Beowulf or the 6.5 Grendel, then you've heard of Alexander Arms! Bill Alexander of Alexander Arms has dedicated his life to bringing today's modern shooter some of the most up to date and state of the art ammunition and firearms available in the 21st Century. Whether you're a competition shooter, long range big game hunter, winning the war on terrorism or defending your home Alexander Arms makes sure you have the right tools for the job. With innovative design, meticulous engineering, superb manufacturing technology and uncompromising quality control, Alexander Arms is committed to producing the best weapons systems in the world. When second best isn't good enough and you won't settle for anything less than perfection, turn to Alexander Arms! **This unit comes in unassembled kit form. Assembly is required.** **Specifications and Features:** Alexander Arms U-50BEOKIT AR-15 Upper Receiver Kit Direct Impingement Operating System .50 Beowulf 16.5" Barrel with a 1:20 Twist Threaded 49/64x20 TPI RH with Thread Protector Aluminum Flat Top Upper Receiver Black Finish Overall Length 24" **Includes:** Upper Receiver 16.5" Barrel Mid-Length Gas Tube Low Profile Gas Block Complete Bolt Carrier Group Charging Handle **Does Not Include:** Barrel Nut 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 ## More from Alexander Arms ```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/alexander-arms-upper-parts-kits-50-beowulf-16-black-for-ar-15#webpage","@type":"WebPage","description":"Unassembled .50 Beowulf AR-15 upper kit with a 16.5\" threaded barrel, mid-length gas tube, low-profile gas block, bolt carrier group, and charging handle.","name":"Alexander Arms .50 Beowulf Upper Receiver 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