--- title: "Magpul MBUS Pro Rear Flip Sight Black" description: "All-steel rear backup sight with dual apertures and windage adjustment. Mounts to MIL-STD-1913 Picatinny rails and folds low when stowed." canonical_url: "https://www.kygunco.com/product/magpul-mag276-blk-mbus-pro-rear-flip-sight-ar15m4-black" meta: author: KYGUNCO "og:description": "All-steel rear backup sight with dual apertures and windage adjustment. Mounts to MIL-STD-1913 Picatinny rails and folds low when stowed." "og:image": "https://cdn.kygunco.com/assets/products/64800/thumbnail.jpg?v=1713459197" "og:image:height": "500" "og:image:width": "500" "og:title": "Magpul MBUS Pro Rear Flip Sight 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) / [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) / MGP-MAG276-BLK ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/64800/main.jpg?v=1713459197) For illustration purposes only, this image may not be an exact representation of the product. # MAGPUL MBUS Pro Rear Flip Sight AR15/M4 Black Magpul MBUS Pro Rear Flip Sight for AR15/M4 rifles. All-steel, corrosion-resistant rear sight with windage adjustment, dual aperture design, and Picatinny rail mounting. Positive detents keep it secure in the up or down position, and its low-profile folded shape stays out of the way until needed. 5.0 ** ** ** ** ** [2 reviews](#reviews) $79.99 ** 5 interest-free payments of **$16** 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 Handled by our expert shippers in Bardstown, KY. Item # 64800 Style MGP-MAG276-BLK UPC 873750008387 Condition New Manufacturer [Magpul](https://www.kygunco.com/brand/magpul) Weight 1 lb ### Magpul MBUS Pro Rear Flip Sight AR15/M4 - Black The MBUS Pro (Magpul Back-Up Sight) is a corrosion resistant all-steel back-up sighting solution that delivers maximum functionality and strength with minimum bulk at a price that's even smaller than its size. The dual aperture windage adjustable Rear and no-tool elevation adjustable Front excel in all 1913 Picatinny rail mounting applications including rail-height gas blocks. Positive detents keep the MBUS PRO Front and Rear at standard AR sight height when deployed and so low when they are stowed that you'll never notice them until they're needed. Narrow width Front is compatible with most IR aiming laser and light installations for the professional user. made in specialized factoriesFeatures All steel construction Case hardened and finished with Melonite QPQ & trade for extreme resistance to wear and corrosion Mounts on any MIL-STD-1913 Picatinny/STANAG 4694 rail Windage adjustable with low-profile knob. No tools required Positive detents in both the up and down positions Standard AR sight height when deployed. **FEATURES** - All steel construction - Steel, rectangular sight post selectable between Match and Standard widths - .040in Match width for increased precision - .060in Standard width for maximum visibility - Case hardened and finished with Melonite QPQ for extreme resistance to wear and corrosion - Mounts on any MIL-STD-1913 Picatinny/STANAG 4694 rail including receiver-height gas blocks - Elevation adjustment knob - no tools required - Positive detents in both the up and down positions as well as on the elevation knob - Standard AR sight height when deployed - **NOTE: All MBUS Pro Front Sights now come factory-equipped with the Enhanced Front Sight Post. There is no need to order one separately unless you are retrofitting an older MBUS Pro front sight. Enhanced Front Site Posts are not compatible with standard MBUS polymer sights.** **SPECIFICATIONS** - Color Black - Rear Aperture Size 0.19 in - Gun Model AR-15, M16F - abric/Material Steel - Front Material MBUS Pro - Attachment/Mount Type Picatinny - Height 0.37 in - Included Accessories Rear Sight - Objective Aperture 0.07 mm - Adjustment Click Value 0.5 MOA - Weight 1.8 oz - Ring Height 1.41 in - Length 2.1 in ** 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). 5.0 ** ** ** ** ** 2 reviews ** ** ** ** ** 2 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Reviews ** Michael Gardner El Paso, TX Excellent rear sight for my Savage Arms AR15. 4/24/2021 ** ** ** ** ** ** JUSTIN SHOBE GRAND RAPIDS, MI I had heard very good things about these sights, and though they are quite expensive for backup iron sights, they are WELL worth the price if you are looking for a compact solution for a gun that you want to look sleek! Buy them if you can fine em' ! 7/4/2019 ** ** ** ** ** ## More from Magpul ```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/magpul-mag276-blk-mbus-pro-rear-flip-sight-ar15m4-black#webpage","@type":"WebPage","description":"All-steel rear backup sight with dual apertures and windage adjustment. 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