Magpul MBUS AR 15 Front Back-Up Sight Gen 2 – MAG247

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Magpul MBUS Rear AR 15 Back-Up Sight Gen 2 - MAG248 - BLK

Magpul MBUS Rear AR 15 Back-Up Sight Gen 2 – MAG248

$61.99

Magpul MBUS Rear AR 15 Back-Up Sight Gen 2 - MAG248 - BLK

Magpul MBUS Rear AR 15 Back-Up Sight Gen 2 – MAG248

With 0.83 Inch Riser Mount

AT3™ RD-50 PRO™ - Absolute Cowitness

$99.99

With 0.83 Inch Riser Mount

AT3™ RD-50 PRO™ Micro Red Dot with Cantilever Riser Mount

Your Trusted Front Back-Up Sight When The Batteries Fail

The Magpul MBUS Front Back-Up Sight Gen 2 is a low-profile folding back-up sight perfect for use alternatively in the event that your batteries fail. Made specifically tailored for the AR15/M16 platform, the MBUS is adaptable and will fit most of 1913 Picatinny-railed handguards.

The sight automatically flips up with just a small amount of pressure on the release tabs and has an adjustable elevation in conjunction with red dot sights to use as 1/3 co-witness. The polymer construction is lightweight but sturdy enough to resists impacts and abuse during operation.

Impact-Resistant Polymer Construction

The Magpul MBUS Front Back-Up Sight Gen 2 is made from impact-resistant polymer, durable enough to last even in the most demanding situations. The detent and spring pressure keeps the sight stable and aligned but also allows for unobstructed folding under the impact.

This Front Back-Up Sight is compatible with most MIL-STD-1913 Picatinny / STANAG 4694-railed handguards and provides the same height-over-bore as standard A2 irons. It’s very reliable and can be a great front back-up sight for any tactical or emergency situation.

Spring-Loaded Flip-Up Sight

  • Easily activated from either side or by pressing the top
  • Protective wings shield the spring-locking A2 front sight post
  • Polymer construction provides lightweight and resists operational abuse
  • Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
  • Compatible with most MIL-STD-1913 Picatinny / STANAG 4694-railed hand guards* and provides the same height-over-bore as standard A2 irons

Details:

  • ~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
  • Height – Stowed: ~0.51”
  • Length – Stowed: 2.6”
  • Length – Deployed: 1.5”
  • Weight: 1.2 oz

Notes:

  • An elevation adjustment tool is included, but most aftermarket A2 front sight adjustment tools may be used as well.
  • Front MBUS Gen 2 cannot be mounted to a railed gas block due to excessive heat issues.
  • Front MBUS Gen 2 must be mounted to a railed fore end on the same plane as the receiver rail. Because of this, the sight is also not compatible with MOE Hand Guards.
  • 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.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 11 reviews
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C
Christopher Miles
Backup front sight

Product came exactly as described and pictured. Fits perfectly on my AT3 Spear M-LOK Free Float Handguard too. Excellent customer service! Will definitely buy from AT3Tactical again soon.

Thanks for sharing your feedback, Christopher. We're glad you're satisfied with your purchase. Cheers!

s
sam
Great CYA sights

I put a set of these on every AR I have. While I rarely need them, it is great peace of mind knowing if a battery dies or I damage a scope I can keep punching holes in paper and not have to cut a trip short. AT3 has great prices and while this was my first purchase, it will not be my last.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.

W
William Johnson
It's Magpul

Great sights, well built. Never had any problems with Magpul products.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

D
Donald Nixon
Awesome

Can’t go wrong with Magpul, highly recommend. at3tactical is my go too place tons of stuff very fast shipping

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

D
Dennis Geiberger

Magpul MBUS Front Back-Up Sight Gen 2 – MAG247

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!