Let’s Talk About Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter
The Sig MPX and MCX are fantastic platforms, but their unique barrel design can present a real headache when it comes to mounting standard muzzle devices or suppressors. That’s where the Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter comes in, promising a simple solution to this common problem. This adapter is designed to provide a flat, consistent surface for mounting muzzle devices on the tapered barrels of these popular 9mm platforms.
My journey to this adapter started with frustration. I wanted to mount a specific suppressor on my MPX, only to realize the factory barrel’s taper prevented a proper seal with the crush washer. I needed a reliable way to ensure proper alignment and prevent potential damage to my expensive suppressor.
Upon receiving the Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter, my initial impression was mixed. The small, black nitride-finished piece of steel felt solid, but its simple design left me wondering if it could truly solve the issues reported by some users. I compared it to the Midwest Industries collar adapter, a popular alternative, and the NLA adapter’s smaller footprint seemed appealing from an aesthetic perspective.
I was initially optimistic, hoping it would provide a clean and effective solution. However, reading online reviews detailing fitment issues tempered my enthusiasm. The real test would be on the range.
Real-World Testing: Putting Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter to the Test
First Use Experience
My initial testing ground was my local indoor shooting range. I installed the Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter on my Sig MPX, attempting to mount a standard 1/2×28 threaded flash hider. I encountered immediate resistance. The adapter didn’t allow the flash hider to fully thread onto the barrel, leaving a noticeable gap.
Even without firing a single round, the adapter failed to perform its primary function. The fitment issue raised serious concerns about its compatibility with my MPX barrel.
Extended Use & Reliability
Given the initial fitment problem, extended use wasn’t really an option. I removed the adapter and reinstalled the factory thread protector. Further attempts to use the adapter with different muzzle devices yielded the same unsatisfactory result.
The lack of proper threading engagement made it impossible to assess its long-term durability or impact on accuracy. This adapter proved to be a significant disappointment, failing to address the core issue it was designed to solve.
Breaking Down the Features of Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter
Specifications
- Manufacturer: Next Level Armament
- Color: Black
- Finish: Nitride
- Fabric/Material: 4140 Steel
- Gun Make: SIG Sauer
- Gun Model: SIG Sauer MCX, SIG Sauer MPX
- Weight: 0.1 lb
- Caliber: 9mm Luger
- The use of 4140 steel and nitride finish suggests a focus on durability and corrosion resistance.
- However, these material choices are irrelevant if the adapter doesn’t fit properly.
Performance & Functionality
The Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter is intended to provide a flat surface for mounting muzzle devices on Sig MPX/MCX 9mm barrels. Unfortunately, the adapter I received failed to achieve this basic function. The adapter’s inability to allow proper threading engagement renders it useless.
This product does not meet expectations and requires significant improvement in its manufacturing tolerances.
Design & Ergonomics
The adapter’s design is simple and unobtrusive. The small size and black nitride finish are aesthetically pleasing.
However, its core flaw – the improper fitment on MPX barrels – overshadows any positive design elements.
Durability & Maintenance
Given the fitment issues, assessing long-term durability is impossible. The nitride finish should provide adequate corrosion resistance with minimal maintenance.
Proper fit is paramount; otherwise, durability is irrelevant.
Accessories and Customization Options
The Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter is a standalone product. It doesn’t come with any accessories.
Its intended function is to facilitate the use of standard muzzle devices, but the fitment problem severely limits any potential customization.
Pros and Cons of Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter
Pros
- Simple design.
- Durable 4140 steel construction with nitride finish.
- Lightweight.
Cons
- Does not allow muzzle devices to fully thread onto the barrel.
- Inconsistent fitment reported by other users.
- Ultimately fails to perform its intended function.
Who Should Buy Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter?
The Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter, in its current form, is not recommended for anyone. Sig MPX/MCX owners seeking a reliable solution for mounting muzzle devices should explore alternative options like the Midwest Industries collar adapter.
This product should be avoided until Next Level Armament addresses the reported fitment issues.
Conclusion on Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter
The Next Level Armament NLA Sig Saure MPX/MCX 9mm Luger Barrel Adapter promises a simple fix for a common problem, but unfortunately, falls short in execution. The fitment issues I experienced and the similar complaints from other users raise serious concerns about the product’s quality control.
At $10.99, the price is certainly attractive, but the lack of functionality renders it a waste of money. I cannot recommend this product in its current state.
Next Level Armament needs to address the fitment problems before this adapter can be considered a viable solution for MPX/MCX owners. I’d strongly advise researching alternative barrel adapters before considering this one.