Magpul MBUS Gen 3 Front And Rear AR-15 Back-Up Sight Kit

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Tool-Free, Value-Priced Polymer Backup Sight Set

Kit out your free-floated AR-15 with the next generation of Magpul Backup Sights! This kit includes both the MAG1166 front sight and the MAG1167 rear sight, in your choice of Black, Flat Dark Earth, or OD Green. This kit comes in just under a c-note, with all the features of the more expensive MBUS PRO all-steel backup sights.

*NOTE: The front sight 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.

Pro Features at an Incredible Price

The Gen 3 MBUS provides the best of both worlds when it comes to Magpul’s backup sights. Impact-resistant polymer keeps the unit lightweight, and the improved slim is comparable to the MBUS Pro. These sights fold down just under a half inch in height, and just over an inch wide at their broadest point. Plus, they retain a quick-deploy button, and a dual-width front post.

Completely Tool-Free System

Perhaps the best feature of these sights are how easy they are to use and adjust. No more one-off tools or bullet tips required to adjust windage or elevation! Your hands are all you need, after an allen wrench or flathead screwdriver for the initial install. Plus, the new flippable rear aperture allows quick changes from narrow or wide rear apertures with just your thumb.

Specifications

Height above rail, stowed: 0.44 in.
Platform: AR10, AR15, M4, M16, M110, SR25

Windage Adjustment

~0.7 MOA (0.754″/100m) per click with a 14.5″ sight radius
~0.5 MOA (0.547″/100m) per click with a 20″ sight radius

Elevation Adjustment

~1.6 MOA (1.886″/100m) per click with a 14.5″ sight radius
~1.2 MOA (1.367″/100m) per click with a 20″ sight radius

Products available on this page:

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Magpul Warranty Information

If you ever experience an issue with a Magpul product at any time, regardless of where it was purchased, please contact us directly and we’ll do everything reasonable to help you.

To make a return, please take the following steps:

BEFORE returning any products, please contact us first to receive an RMA number (Return Merchandise Authorization) and prominently write it on the outside of the package. Packages will not be accepted without an RMA.
Include a note with your name, shipping address, phone number and email, RMA number, and reason for the return (including, if applicable, information about the firearm, ammunition, and usage environment for defective returns). Do not send ammunition.
Wrap the item with quality padding and place it in the original packaging or in an appropriate box for shipping.
A UPS shipping label will be provided in your shipment. If using the original packaging, remove or cover the original shipping label. Tape the preprinted return shipping label to the outside of the box. Drop package at an official or authorized UPS drop-off location.
All refunds will be applied to the credit card used for the original purchase. You should allow one to two billing cycles for the refund to appear on your statement.