MBUS® 3 Sight – Front BLK

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SKU: MAG1166-BLK | 30-55110-BLK
The MBUS® 3 Front Sight BLK is a highly functional and durable backup sight system designed for compatibility with various platforms. Despite its lightweight polymer construction, it is impact-resistant and aesthetically pleasing. Equipped with spring-loaded technology, it is easy to deploy. Its dual-width enhanced front post allows for tool-less elevation adjustment and it sits low-profile when stowed. It is a reliable and precise choice for anyone looking for exceptional performance and value in a backup sight system.

Why we made MBUS® 3 Sight – Front BLK

Introducing the Magpul MBUS® 3 Front Sight BLK, which offers the ultimate combination of functionality, durability, and value – creating a feature-rich back-up sight system. This front sight is designed with precision and ease of use in mind, allowing for quick and accurate targeting

Despite its lightweight construction, weighing only 0.09 lbs., it is impact-resistant and extremely durable, thanks to its polymer construction. The MBUS 3 Front Sight's design offers an aesthetically pleasing appearance.

The MBUS® 3 Front Sight is equipped with spring-loaded technology that allows for easy deployment using an ambidextrous push-button. It includes a dual width enhanced front post that offers tool-less elevation adjustment.

When stowed, the sight sits just 0.47’’ above the rail, ensuring a sleek and low-profile appearance. With its elevation adjustment, you can easily make precise adjustments to your aim. At a 14.5" sight radius, each click equals approximately 1 MOA (1.131”/100 m) while at 20" sight radius, it equals about 0.7 MOA (0.820”/100 m) per click.

Overall, the MBUS 3 Front Sight is the perfect choice for anyone looking for a reliable, compact, and durable back-up sight system that offers exceptional performance and value.

NOTE: Cannot be mounted to a railed gas block due to excess heat issues. Front MBUS must be mounted to a railed forend on the same plane as the receiver rail. Because of this the sight is also not compatible with MOE Hand Guards.

Features & Specifications

BLK - Black
Height above rail:
Stowed height approximately 0.47’’
1.38’’ at widest point
Elevation adjustment:
Elevation adjustment knob - no tools required
Impact-Resistant Polymer Construction
Flip up Sight:
0.09 lbs
Made In:
Proudly Made In U.S.A.

Important Information

Firearms Shipments:
In accordance with federal regulations, firearms may only be shipped to a licensed dealer. To avoid any delays in delivery, kindly ensure that you provide the FFL Dealer's information in the Shipping Directions when placing your order. If you do not provide the information with your order, we will reach out and request you provide us with your dealer's information to obtain a copy of their FFL. Once we receive the FFL, we will begin processing your order, and the lead time will start from that point. Please feel free to reach out to us at FFL@bushmaster.com if you have any queries or concerns regarding this proces.

Lower Receivers Shipments:
Lower receivers are also considered firearms under federal regulations and require an FFL (Federal Firearms License) prior to shipment. Therefore, it is important to ensure that your FFL dealer sends us a copy of their license, along with your name and order number via email. We appreciate your attention to this matter as it helps us ensure a smooth and timely delivery of your order. If you have any questions or concerns about this process, please do not hesitate to contact us at FFL@bushmaster.com

Magazines Shipments:
The magazine capacity of the firearm will depend on the jurisdictional restrictions of your state of residence. We want to ensure you receive a product that complies with your state's regulations.

Shipping to Alaska or Hawaii:
If you're shipping to Alaska or Hawaii, please be aware that there may be additional shipping charges. If applicable, we will contact you at the time of shipment to discuss additional costs. As always, your satisfaction is our top priority.

Important Information:
Warning: This product can expose you to chemicals, including lead, known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to - https://www.P65Warnings.ca.gov

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