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Magpul MBUS PRO Rear Back-Up Sight – Steel – MAG276
Magpul MBUS Pro LR Adjustable Rear Sight – MAG527
Delivers Maximum Functionality And Strength Without Breaking The Bank!
The Magpul MBUS PRO Front Back-Up Sight is a great front-sighting solution for your AR-15 that can deliver maximum functionality without breaking the bank. This front back-up sight will keep your AR fully equipped on any tactical operation bringing more strength and reliability.
Designed with all-steel construction, it delivers extreme resistance to wear and corrosion with hardened case and finish made of Melonite QPQ.
Easy Installation – No Tools Required
The Magpul MBUS PRO Front Back-Up Sight is designed with dual-aperture and features an adjustable rear for windage. It has positive detents that can keep the front and rear MBUS PRO at standard sight height when deployed.
The design is compact and made with an adjustable elevation knob so no tools are required to install it in all 1913 Picatinny rail mounting systems – including those rail-height gas blocks. The MBUS PRO Back-Up Sight is also very low when they are stowed keeping a low-profile look on your AR. This ensures a clear distraction-free sight for your optics that you’ll hardly notice them until they are needed.
The narrow width front is compatible with most IR aiming laser and light installations for any professional users.
Case-Hardened Resistant To Wear and Corrosion
- All steel construction
- 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
Elevation Adjustment:
- ~1 MOA (1.131″/100m) per click with a 14.5″ sight radius
- ~0.7 MOA (0.820″/100m) per click with a 20″ sight radius
Details:
- Height above rail – stowed: ~0.43 in. max
- Length – stowed: 1.6 in.
- Weight: 1.5 oz.
- Compatibility: Mounts on any MIL-STD-1913 Picatinny/STANAG 4694 rail including receiver-height gas blocks.
Notes:
- 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.
- Made in the USA.
Have Questions About this Product?
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.