There are a lot of modifications you can make to an AR-15. One of the modifications in the optic field is Offset iron sights. These sights are mounted at a 45-degree angle and offer a backup aiming system for your primary optic.
The five best AR-15 offset iron sights we listed in this article are backed by our own experience and rated according to the HuntersHalt standard. Also, make sure to look over our discussion on what to look for when buying an offset iron sight to ensure you buy quality and not a counterfeit.
What Is An Offset Iron Sight?
An offset or canted iron sight is a type of iron sight that is mounted at a 45-degree angle to the rifle’s bore. These sights allow shooters to quickly switch between their primary optic and the backup iron sights without adjusting their head position. They are mostly used as backup sights for red dot sights or other primary optics, such as LPVOs.
Offset iron sights have a lot of benefits over traditional iron sights. They are especially useful when you must engage targets at different ranges or lighting conditions.
What Are The Primary Benefits Of Using Offset Iron Sights?
The primary benefit of a 45-degree offset iron sight is its quick transition – allowing you to quickly adjust between your primary optics to iron sights without any adjustments. Additionally, offset iron sights also act as a backup sighting system in case your primary optics fail, get damaged, or fog up.
Finally, these iron sights also increase the versatility of your AR-15. When mounted, you can use your AR-15 effectively in long and short-range engagements. Most offset sights aren’t very durable, or the sight picture isn’t very clear. Therefore, you must buy quality to reap the full rewards of an offset iron sight.
5 Best Offset Iron Sights
Below is a list of the five best offset iron sights we tested and rated. We tested these sights under an array of situations, from range shooting to walk-n-stalks in rain and fog.
- MBUS Pro Offset Sights
- Dueck Defense Rapid Transition Sight
- Strike Industries Sidewinder
- Leapers UTG ACCU-SYNC Offset Deployable Iron Sight
- Troy Industries Offset Battle Sight
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HuntersHalt: #1 Pick
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Best For 3-Gun
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Easiest To Install
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Description: Includes: Up to 14% Off w/ Free S&H |
Description: Includes: FREE SHIPPING* & FREE RETURNS* |
Description: Includes: Up to 24% Off — Free 2 Day Shipping |
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Includes: Up to 14% Off w/ Free S&H
Includes: FREE SHIPPING* & FREE RETURNS*
Includes: Up to 24% Off — Free 2 Day Shipping
1) MBUS Pro Offset Sights
Includes: Up to 14% Off w/ Free S&H
- Best Value For Money
- Highly Durable
- Tool-Less Adjustment
- Can Become Stiff If Not Maintained
The MBUS Pro Offset sights is the best offset iron sight we tested. Thanks to its melonite steel construction and positive detent locking, it is incredibly durable. The front and rear sights also offer a very intuitive aiming platform.
Additionally, you don’t need a sight adjustment tool, making them very easy to adjust. The MBUS Pro also maintains its zero exceptionally well, which speaks numbers to the quality of these sights. I also appreciate the low profile covering less than .66″ of the top rail, making it less cumbersome.
Overall, at $89.95, the MBUS Pro Offset sight offers the best value for money, with guaranteed reliability, performance, and durability.
2) Dueck Defense Rapid Transition Sight
Includes: FREE SHIPPING* & FREE RETURNS*
- Fast Optic Transition
- Easy To Mount On Picatinny Rail
- Performs In Various Tactical Conditions
- Premium Pricing Not For Everyone
Dueck Defense rapid transition sights are co-designed by top competitive shooter Barry Dueck, so you’ll get a quality offset sight that delivers.
The rear sight and front sight post are very well built and provide an efficient optical sight for rapid target shooting. They are also very easy to mount – you can attach them directly to your Picatinny rail.
However, at $209.95, they do cost a pretty penny. Nonetheless, if you are a competitive shooter who wants a high-performance offset iron sight, this is the one to get.
3) Strike Industries Sidewinder
Includes: Up to 24% Off — Free 2 Day Shipping
- Easy Tool-Less Sight Adjustments
- Excellent Medium To Long Range
- Very Durable (Steel/Aircraft Aluminum)
- Could Be Cheaper
Strike Industries is quite a respected player in the iron sights sector. They produce quality products that offer lifelong performance, and the Sidewinder BUIS II is no different.
The BUIS II acts as both a traditional iron sight and a 45-degree offset, making it perfect for any shooting scenario. Additionally, this iron sight offers a tool-less solution to windage and elevation adjustments, so you can adjust your sights on the go.
It is also incredibly durable and offers great value at only $186.95.
4) Leapers UTG ACCU-SYNC Offset Deployable Iron Sight
Includes: 13% Off & FREE SHIPPING* & FREE RETURNS*
- Cheapest Canted Sights
- Easy To Make Post Adjustments
- Includes Posi-lock Retention
- Less Durable (Aluminum)
Fourth on our list, we have the Leapers Offset Iron Sight. At $45.97, this sight is our budget-friendly option on this list. But don’t let the price discourage you – this sight is actually really good!
Initially, I wasn’t a big fan of the smaller peephole rear sight, but it wasn’t that bad after a few shots. In fact, it’s ideal when you have an extra second or two to ensure your shot placement and accuracy.
The Leaper is built from aircraft-grade aluminum, making it lightweight and very durable. Overall, I would recommend this iron sight to anyone starting out with canted iron sights and just want to experience how they feel.
5) Troy Industries Offset Battle Sight
Includes: 15% Off w/ Free Shipping
- Great For Tactical Shootings
- Ambidextrous Sight
- Highly Durable (Stainless Steel)
- Not Budget Friendly
Lastly, we have Troy Industries’ addition to the list. Troy Industries is a trusted brand in the firearms community, so you know their offset sight will be of good quality.
This battle sight is excellent – boasting high-quality materials, a user-friendly ambidextrous design, and an easy-to-use aiming platform. The profile makes it very easy to aim iron sights effectively.
This sight is more expensive, $257 to be exact. But, if you have money to spare and want a high-quality iron sight, then I recommend you go for this one. After all, this sight has almost everything you need in an offset iron sight.
What To Look For When Buying Offset Iron Sights?
When buying an offset iron sight, it is important you pay attention to the following key factors.
- Material and Build Quality: Make sure the iron sight is built from durable materials (aluminum or titanium). Also, ensure that it has lens coatings to add further protection against wear and rust.
- Adjustability: Most offset iron sights will have an easy method of adjusting windage and elevation. However, I prefer tool-less offset iron sights – it’s just more practical, especially when you’re in the field.
- Locking Mechanism: I like to see a secure lock-up in these iron sights. It ensures the sights stay in place, no matter what test you put them through.
- Price: The sight must be priced within the bounds of its competitors. Suppose it’s surprisingly cheap; it’s most likely a counterfeit.
Do They Make Counterfeit Offset Iron Sights?
Yes, the market has been flooded with counterfeit offset iron sights. Always buy from reputable dealers or directly from manufacturers and make sure the product matches the description of the one the manufacturer’s website provides.
How Do Iron Sights Compare To Red Dot Sights For An AR-15?
Iron sights are more basic compared to red dot sights. While red dot sights offer quicker target acquisition and are more accurate, they do rely on batteries and electronics to provide an aiming platform. In comparison, an iron sight is mechanical – what you see is what you get. This makes them more reliable in certain daytime-use scenarios.
Can You Use Red Dot Sights With Canted Iron Sights?
Most definitely! Most of my AR-15s are rigged with a red dot & canted iron sight combination. The red dot acts as the primary optic, providing quick target acquisition and accuracy, especially in low-light conditions. The offset sight acts as the backup, providing a reliable fail-safe in case the red dot stops working.
What Other Modifications Can Be Made To Your AR-15?
AR-15s are renowned for their modularity. There are a plethora of modifications for your AR-15 – from trigger upgrades and handguards to barrels and complete receivers – the options are really endless.
However, make sure you only buy from reputable companies and that the individual parts are compatible with each other. This will ensure optimal performance and prevent potential damage to your weapon.
Frequently Asked Questions
How does the height of the offset iron sights affect co-witnessing with primary optics?
Can offset iron sights handle recoil?
What is the biggest downside of using offset iron sights for an AR-15?
The Bottom Line
Offset iron sights are an invaluable addition to any AR-15 rig. They offer versatility, reliability, and an edge in various shooting scenarios. However, it is important you buy quality, authentic products. This will ensure optimal performance and an enjoyable shooting experience. As always, happy shooting, and stay safe!
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