Real time inventory.  No backorders.

Magpul MBUS Rear Flip-Up Sight



There is not better addition to any AR-15 or M16 than a MagPul AR-15 Rear Flip-Up Sight. These additional iron sights are perfect for any AR-15 or M16 with a standard picatinny rail system. Not to mention that it sights just a little over half an inch above rail. This new model has been manufactured to be more ergonomic and narrow for better target acquisition. Some of the other great new features include:

Features of Magpul MBUS Rear Flip-Up Sight:

✓ Higher Optics Compatibility

✓ Spring-Loaded Flip Up Sight

✓ Lightweight: 1.3oz

✓ Impact Resistant Polymer

✓ Overall Reduced Size

✓ Detent Knob for Easy Adjustment of Wings

Made in the USA Lifetime Warranty

Shipping Restrictions

AR-15Lowerreceivers.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally. Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website. We try our best to keep our shipping page current, but laws change daily.

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.