Let’s Talk About USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models
The Magpul MBUS (Magpul Back-Up Sight) Front Flip-Up Sight is a name synonymous with reliable and affordable back-up sighting systems in the AR-15 world. Magpul has built a reputation for rugged polymer products that perform, and the MBUS sights are no exception. This review focuses on a used Gen 1 model, offering insights into its functionality, durability, and overall value proposition for shooters on a budget.
I was looking for a durable, low-profile back-up sight for my AR-15 build, something that wouldn’t break the bank but could still be depended upon if my primary optic failed. I wanted a flip-up design that stayed out of the way when not needed, but deployed quickly when called upon.
Unboxing a used optic is always a gamble, but this one arrived in acceptable condition. The polymer construction felt solid, and the flip-up mechanism, though showing some wear, seemed functional. The sight had some minor cosmetic blemishes, as expected with a used item, but nothing that appeared to affect its usability.
I considered several other options, including metal back-up sights from Troy Industries and Diamondhead. However, those were significantly more expensive, and given my budget constraints and the positive reputation of Magpul products, the MBUS seemed like the best compromise.
My first impression was cautiously optimistic. While the used condition tempered my expectations, the sight seemed well-built and functional. I was excited to test its performance and see if it could live up to its reputation as a reliable back-up sighting system.
Real-World Testing: Putting USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models to the Test
First Use Experience
I tested the USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models at my local shooting range during a standard zeroing session. The weather was clear and sunny, providing ideal conditions for sighting in.
The sight performed surprisingly well. I was able to quickly and easily zero it at 50 yards, and the adjustments were precise and repeatable. The front sight post provided a clear and distinct aiming point.
There were no immediate issues or surprises. The flip-up mechanism worked smoothly, and the sight locked securely in both the up and down positions. I found the Magpul MBUS easy to use and intuitive.
Extended Use & Reliability
After several months of regular use, the Magpul MBUS Front Flip-Up Sight has held up remarkably well. Despite being a used optic, it shows no signs of significant wear or tear beyond the initial cosmetic blemishes.
The polymer construction has proven to be surprisingly durable, withstanding bumps and scrapes without any noticeable damage. I’ve also found it easy to clean and maintain. A simple wipe-down with a damp cloth is usually all it takes to remove any dirt or debris.
Compared to other back-up sights I’ve used in the past, the Magpul MBUS performs admirably, especially considering its affordable price point and used condition. It’s a reliable and durable option that provides peace of mind knowing I have a functional back-up sighting system ready to go.
Breaking Down the Features of USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models
Specifications
- Construction: Impact-resistant polymer provides a lightweight and robust build. This is crucial for back-up sights that need to withstand potential impacts.
- Adjustment: Adjustable for elevation using a standard A2 front sight post tool. This allows for precise zeroing of the sight.
- Mounting: Clamps to most MIL-STD-1913 Picatinny/STANAG 4694 railed handguards. This ensures compatibility with a wide range of AR-15 platforms.
- Height-over-bore: Provides the same height-over-bore as standard A2 iron sights. This maintains a consistent cheek weld and sight picture.
- Flip-Up Mechanism: Spring-loaded flip-up sight easily activated from either side. This allows for quick deployment when needed.
These specifications matter because they directly influence the sight’s performance, durability, and ease of use. The polymer construction keeps the weight down while maintaining reasonable strength. The adjustability allows for precise zeroing, and the Picatinny compatibility ensures it can be mounted on most AR-15s.
Performance & Functionality
The USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models performs its job effectively, providing a reliable back-up sighting system for the AR-15 platform. Its accuracy is sufficient for close to medium-range engagements.
The sight’s strength lies in its simplicity and durability. It’s easy to use, reliable, and doesn’t require any batteries or complicated adjustments. The main weakness is that it is used; therefore, the flip-up mechanism might be looser than a new one.
Overall, the sight meets expectations for a back-up sighting system in its price range. It offers a good balance of performance, durability, and affordability.
Design & Ergonomics
The USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models features a simple and functional design. The polymer construction makes it lightweight and comfortable to handle.
The flip-up mechanism is intuitive and easy to operate, even with gloves on. There’s a slight learning curve to adjusting the elevation.
Durability & Maintenance
Given that this is a used product, determining its lifespan is more difficult. However, Magpul products generally have a reputation for durability, and the polymer construction of the MBUS sight is reasonably robust.
The sight is easy to maintain and repair. A simple cleaning and occasional lubrication of the flip-up mechanism are usually sufficient.
Accessories and Customization Options
The USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models does not come with any accessories beyond the elevation adjustment tool. However, it is compatible with most aftermarket A2 front sight adjustment tools.
The Magpul MBUS is designed to be a standalone back-up sight, and there are limited customization options available.
Pros and Cons of USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models
Pros
- *Affordable back-up sighting solution, especially in *used* condition.*
- Durable polymer construction that can withstand operational abuse.
- Spring-loaded flip-up mechanism for quick and easy deployment.
- Easy to install and zero.
- Lightweight and low-profile design that doesn’t add unnecessary bulk to the rifle.
Cons
- *May show signs of wear and tear due to its *used* condition.*
- Polymer construction may not be as durable as metal alternatives.
Who Should Buy USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models?
The USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models is perfect for budget-conscious AR-15 owners who want a reliable back-up sighting system. It is also a good option for those who are new to AR-15s and want a simple and easy-to-use back-up sight.
Those who require the absolute highest level of durability or prefer the aesthetics of metal sights should skip this product. Also, users with very high precision requirements might prefer an alternative.
A must-have accessory would be a quality A2 front sight adjustment tool to make precise elevation adjustments.
Conclusion on USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models
The USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models is a solid and affordable option for anyone looking for a reliable back-up sighting system. While the used condition may present some minor cosmetic blemishes or slightly looser mechanisms, the overall functionality and durability of the sight remain impressive.
The price is definitely justified, especially considering the reputation of Magpul products and the sight’s performance. It offers excellent value for money and provides peace of mind knowing you have a dependable back-up sighting solution.
I would personally recommend the USED, Magpul MBUS Front Flip-Up Back Up Sight Gen – 1 out of 10 models to anyone on a budget who needs a reliable back-up sight. Just be sure to inspect the sight carefully before purchasing to ensure it meets your expectations. Don’t let a used label scare you away from a great product!