By: MaTech
Visit the MaTech Store for the Best Gun Sights. Our MaTech Mil-Spec Back-up Iron Sight (B.U.I.S) is the perfect choice for brightness, build quality, customer support, and installation. This sight features a spring-loaded sight aperture that can be easily activated from either side or by pressing the top. It is built with rugged construction that can withstand bumps and harsh weather conditions. Additionally, it is adjustable up to 600 meters, allowing you to dial in the desired focus.Kyle M.: Solid sight! If you’re on the fence about it, just buy it. Like others have said, it’s the real deal, definitely not a cheap knockoff. Came quick and in the official MaTech packaging, just like in store. Would it be my first choice for the best back up sight? Maybe not… I really like magpul’s mbus pro (metal) sights… but this is literally battle proven and works very well. I was building an M4 clone and this was the last thing I needed. Overall, I’d give it 4.5/5
United States on Jan 31, 2023
sillyghillie: Cut my teeth on the A2 carry handle rear sight, but these are profoundly easier to set up and use. sight picture is pretty standard to the A2, maybe even a little smaller which is great for precision. I took this out, zeroed it at 25 meters and immediately started walking it back, 100 meters, 300 meters, 400 meters, and I was making hits via adjustment 9/10 times on a 8"x12" plate. adjustments works just fine on a 20" using M193.
I plan to replace all of the other rear irons with these. Magpul MBUS or these other polymer, non adjusting elevation irons dont even hold water compared to the Matech. These sights have a small foot print and allow the rifleman to be extremely precise with their carbine or rifle. I can not recommend these enough!
United States on Oct 31, 2020
Amazon Customer: I bought one of these sights close to a year ago and was initially impressed and ecstatic about this sight. The love affair wore off over time after discovering some really crucial flaws that keep this sight from being great.
Pros
Elevation adjustments are nifty
Good size peep for nose to charging handle shooters
Folds out of the way, allowing a variety of optics.
Cons
Mounting system is not good. Following instructions for mounting leaves sight too loose, further tightening cants entire rear sight towards the right a few degrees. A sight mounted at an angle is going to be less precise at range.
Windage adjustment is done by angling the peep sight, not actually moving it left or right 90 degrees relative to the front site post. This is fine for sights without elevation adjustments but when you start adjusting the elevation you get a point of impact shift from the point of aim.
To explain this concept more, ideally a rear sight when adjusted for elevation will only move up and down or be relatively close to up and down in order to keep POI and POA the same. This sight changes windage through changing the angle of the peep instead of just moving...
United States on Mar 13, 2015
Alex Harley: This sight is exactly the same one that the US Army uses on their M4/M16 A4 models with the Aimpoint sights. Just like the one i had 2 different times while deployed to Iraq. The sight looks great functions properly and was shipped fast (received in 3 days). After installing on my Colt LE 6920 it was easy to zero. I recommend this as a great back up sight for anyone using optics on their AR style rifle. However it does not have a larger peep hole for night shooting it functions perfectly for its intended purpose of a back up sight.
If anyone wants to know how to zero the sights on an AR to 300 meters on a 25 meter target with this sight and a standard fixed front sight keep reading.
I would recommend you mount the sight as far back as possible on the rifle as to not obstruct the use of the charging handle (since the peep hole is so small you will be able to see more through it). First you need to perform what we call in the Army “Battle sight Zero.” Use the windage knob to move the center mark of the sight left or right to center of the hash mark of the base and placing the range lever on the line below the 300 meter mark on the sight, once zeroed use the range...
United States on Feb 22, 2013
MaTech Mil-Spec Flip-Up Backup Iron Sight | Tacticon Armament Flip-Up Iron Sights for Rifles - Quick Deployment for Precision Aiming | Holosun HS510C Red Dot Sight with 2 MOA Dot & Circle Reticle | |
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B2B Rating |
93
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98
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96
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Sale off | $11 OFF | ||
Total Reviews | 42 reviews | 1 reviews | 232 reviews |
Package Weight | 0.11 Kilograms | 0.21 Kilograms | |
Mounting Type | Picatinny Mount | Weaver Mount | |
Item Package Dimensions L x W x H | 5.79 x 3.5 x 1.61 inches | 3.94 x 3.46 x 1.54 inches | |
ASIN | B002E6SXN4 | B07D74Z37G | |
Suggested Users | Unisex-adult | ||
Brand Name | MaTech | Tacticon Armament | |
Brand | MaTech | Tacticon Armament | |
Color | Black | Black Anodized Aluminum Alloy | |
Material | Iron | Iron | |
Sport | Archery | Shooting | |
Date First Available | June 6, 2008 | May 22, 2018 | |
Night vision | No | No | |
Part Number | BUIS | ||
Best Sellers Rank | #85,754 in Sports & Outdoors #353 in Gun Sights | #44,875 in Sports & Outdoors #124 in Gun Sights | |
Manufacturer | Matech | Tacticon Armament | |
Compatible Devices | Iron | Rifle | |
Item Weight | 0.21 Ounces | ||
Magnification Minimum | 1 x | 1 x | |
Customer Reviews | 4.8/5 stars of 640 ratings | 4.6/5 stars of 8,685 ratings |
Brian D.: Excellent back up sight.
United States on Jul 03, 2023