--- title: "Meprolight Flip Backup Sights Tritium Green Dot" description: "Flip-up backup sights for Picatinny rails with green tritium front and rear. Low-profile design, tool-free zeroing, and adjustable windage and elevation." canonical_url: "https://www.kygunco.com/product/meprolight-404100-fubs-flip-backup-sights-2-dot-rear-g-g-black-body" meta: author: KYGUNCO "og:description": "Flip-up backup sights for Picatinny rails with green tritium front and rear. Low-profile design, tool-free zeroing, and adjustable windage and elevation." "og:image": "https://cdn.kygunco.com/assets/products/251650/thumbnail.jpg?v=1713457319" "og:image:height": "500" "og:image:width": "500" "og:title": "Meprolight Flip Backup Sights Tritium Green Dot" --- > 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) / [Sights, Lasers & Lights](https://www.kygunco.com/category/shooting/gun-parts/sights-lasers-and-lights) / [Gun Sights](https://www.kygunco.com/category/shooting/gun-parts/sights-lasers-and-lights/gun-sights) / MPR-404100 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/251650/main.jpg?v=1713457319) For illustration purposes only, this image may not be an exact representation of the product. # MEPROLIGHT FUBS Flip Backup Sights -2 Dot Rear G/G Black Body Tritium-enhanced flip-up backup sights for AR-15 and AR platform rifles. The set includes a green tritium front and rear sight, low-profile composite construction, Picatinny rail mounting, tool-free zeroing, rear windage adjustment, and front elevation adjustment. $149.99 ** 5 interest-free payments of **$30** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Almost gone. Order now before it sells out. Item # 251650 Style MPR-404100 UPC 810013521665 Condition New Manufacturer [Meprolight](https://www.kygunco.com/brand/meprolight) Weight 2 lb The Mepro FUBS is a tritium-enhanced set of sights two tritium vials are firmly inserted in the rear sight, and one tritium vial is inserted in the front sight. In addition, the self-illuminated backup sights are designed to provide the shooter with secondary sights if the primary optics go down. The advanced Mepro FUBS sights are low-profile, made of strong composite material, and are highly durable. Quickly and easily flip them into position when needed. Sight pin elevation is easily adjusted without tools. You can also use it as primary sight. The Mepro FUBS sights are mounted to any Picatinny rail using a 2.5mm Hex key (provided). A spring-based locking mechanism allows you to flip them into place when needed quickly. The detent knob on the rear easily adjusts windage, and the front sight includes an Indexed, easy-to-adjust Elevation Drum. No tools are required for zeroing. - Frame Material: Polymer/Metal - Frame Color: Black - Firearm Fit: AR-15 - Base Configuration: Picatinny Rail - Style: Flip Up Back Up Sight - Front Material: Tritium - Rear Material: Tritium - Front Color: Green Tritium - Rear Color: Green Tritium - Windage Adjustment: 0.43 MOA - Elevation Adjustment: 0.26 MOA - Firearm Type: AR Platform ** 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 Meprolight ```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/meprolight-404100-fubs-flip-backup-sights-2-dot-rear-g-g-black-body#webpage","@type":"WebPage","description":"Flip-up backup sights for Picatinny rails with green tritium front and rear. 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