Let’s Talk About JL Billet MBS Adjustable Cheek Riser
The JL Billet MBS Adjustable Cheek Riser is designed to enhance the usability of AR-15 platforms equipped with the JL Billet Modular Billet Stock (MBS). It promises to provide a more comfortable and consistent cheek weld, leading to improved accuracy and recoil management. As someone who’s spent years tinkering with and customizing AR platforms for optimal performance, I was intrigued by its modular design and adjustability claims.
I was constantly struggling with achieving a consistent cheek weld on my AR-15, particularly when switching between optics with varying heights. This inconsistency led to accuracy issues, especially at longer ranges. Other adjustable cheek risers seemed overly bulky or complex, so the sleek, minimalist design of the JL Billet offering caught my eye.
Upon unboxing, the JL Billet MBS Adjustable Cheek Riser appeared well-made. The Kydex cheek piece seemed sturdy, and the included hardware looked durable. Compared to some universal cheek risers that rely on straps or adhesives, the JL Billet’s custom-fit design for the MBS promised a more secure and integrated solution. However, my initial impression was somewhat tempered by the feel of the Kydex; it felt thinner than I anticipated.
The Magpul STR Cheek Riser and the BCM Mod 0 SOPMOD Stock Cheek Riser are two well-known competitors. I chose the JL Billet MBS Adjustable Cheek Riser because it was specifically designed for the JL Billet MBS stock, promising a seamless fit and aesthetic. Initially, I was excited about the potential for improved comfort and accuracy but also a little skeptical about the Kydex’s ability to withstand long-term use.
Real-World Testing: Putting JL Billet MBS Adjustable Cheek Riser to the Test
First Use Experience
I tested the JL Billet MBS Adjustable Cheek Riser at my local shooting range. I mounted it on my AR-15 equipped with the JL Billet MBS stock and a mid-height scope mount. The weather was clear and dry.
The installation process was straightforward, thanks to the included hardware and clear instructions. The cheek riser did provide a noticeable improvement in cheek weld compared to the bare buffer tube cover. However, I quickly realized that the upward travel of the cheek piece was somewhat limited, making it only marginally better for my specific optic height.
Extended Use & Reliability
After several range sessions and a couple of weekend carbine courses, the JL Billet MBS Adjustable Cheek Riser has shown some wear and tear. The Kydex cheek piece has developed a few minor scratches from contact with my gear. The adjustability screws have remained secure, but I occasionally find myself needing to retighten them.
Cleaning is simple; a quick wipe-down with a damp cloth removes any dirt or grime. Compared to using makeshift solutions like foam pads or tape, the JL Billet riser is undoubtedly more professional and aesthetically pleasing, but its limited adjustability and Kydex thickness ultimately disappoint. The minimal upward travel means it’s only a slight improvement over the factory setup.
Breaking Down the Features of JL Billet MBS Adjustable Cheek Riser
Specifications
The JL Billet MBS Adjustable Cheek Riser is laser-cut from Kydex. It’s heat-molded to fit perfectly over the JL Billet MBS. It sits approximately .375″ above the tube cover and offers .5″ of upward/downward travel, as well as left/right tilt. All mounting hardware is included, and it weighs 0.5 lb. It is made in the USA.
These specifications are crucial because they directly impact the shooter’s ability to customize their rifle for optimal comfort and accuracy. The Kydex construction aims to balance weight and durability, while the adjustability features are intended to accommodate various optic heights and shooting styles.
Performance & Functionality
The JL Billet MBS Adjustable Cheek Riser is functional in providing some degree of cheek weld adjustment. However, its limited range of travel and the somewhat flexible nature of the Kydex detract from its overall effectiveness.
Its strengths lie in its relatively simple installation and its custom fit for the JL Billet MBS. The main weakness is the minimal upward travel, which might not be sufficient for shooters with higher optic mounts. It partially meets expectations, providing a slight improvement over a bare stock but falling short of the full adjustability I hoped for.
Design & Ergonomics
The JL Billet MBS Adjustable Cheek Riser features a sleek, minimalist design that integrates well with the JL Billet MBS stock. The Kydex material keeps the weight down, but the thinner gauge feels less robust than I would prefer.
The riser is relatively user-friendly, with straightforward installation and adjustment. There is a slight learning curve in finding the optimal position and tightening the hardware, but it’s generally intuitive.
Durability & Maintenance
The Kydex material should last for a reasonable amount of time under normal use, but it is prone to scratching and may crack under extreme stress. Regular cleaning with a mild detergent is sufficient for maintenance.
Repairing the JL Billet MBS Adjustable Cheek Riser may be challenging, as replacement parts may not be readily available. The Kydex could potentially be repaired with specialized adhesives, but a cracked cheek piece would likely necessitate a full replacement.
Accessories and Customization Options
The JL Billet MBS Adjustable Cheek Riser comes with all necessary mounting hardware. No additional accessories are included.
Given its custom design for the JL Billet MBS, there aren’t many direct customization options beyond the intended adjustability features. It is not designed to be compatible with accessories from other brands, limiting its customization potential.
Pros and Cons of JL Billet MBS Adjustable Cheek Riser
Pros
- Provides some adjustability for cheek weld.
- Custom fit for JL Billet MBS stock ensures a seamless look.
- Lightweight design adds minimal weight to the rifle.
- Easy to install with included hardware.
- Made in the USA.
Cons
- Limited upward travel may not be sufficient for all optic heights.
- Thin Kydex construction feels less durable than expected.
- Adjustability screws may require occasional retightening.
Who Should Buy JL Billet MBS Adjustable Cheek Riser?
The JL Billet MBS Adjustable Cheek Riser is perfect for shooters who already own the JL Billet MBS stock and need a slight improvement in cheek weld height. It’s also suitable for those who prioritize a lightweight and aesthetically integrated solution.
This product should be skipped by shooters who require significant cheek weld adjustment for high optic mounts or those who demand extreme durability from their accessories. Those who prefer a more robust or widely adjustable cheek riser should also look elsewhere.
Must-have modifications might include adding some sort of adhesive padding to the Kydex to improve cheek comfort, and perhaps replacing the adjustment hardware with higher quality screws for increased reliability.
Conclusion on JL Billet MBS Adjustable Cheek Riser
The JL Billet MBS Adjustable Cheek Riser offers a moderate improvement in cheek weld for AR-15 platforms equipped with the JL Billet MBS stock. While it delivers on its promise of adjustability and a custom fit, its limited range of travel and the somewhat flimsy Kydex construction temper its overall appeal.
At $47.49, the price is perhaps justified for the convenience of a purpose-built solution. However, shooters with higher optic mounts or those seeking greater durability may find better value in alternative options.
Personally, I would recommend it with reservations. It’s a decent upgrade if you understand its limitations. If you require substantial cheek weld adjustment or are concerned about long-term durability, exploring other alternatives would be wise. For a minor adjustment and a sleek look, it’s an okay choice.