Let’s Dive into CMMG, Inc Thread Adapter, PS90
The CMMG, Inc Thread Adapter, PS90 is a seemingly simple, yet crucial component for anyone looking to modify their FN PS90, particularly when shortening the barrel. Manufactured by CMMG, this adapter allows the use of common 1/2″ x 28 RH muzzle devices on a Short Barreled Rifle (SBR) PS90. It’s a vital piece of the puzzle, bridging the gap between the unique PS90 threading and the readily available muzzle devices on the market.
I was drawn to the CMMG, Inc Thread Adapter, PS90 after deciding to SBR my PS90. I needed a reliable solution to attach a suppressor and other muzzle devices. The factory threading on the PS90 is unique, so an adapter was a must.
Upon unboxing, the adapter felt solid. The black finish was even, and the threads appeared clean. My initial assessment of the build quality was positive, although the price gave me pause.
I considered other thread adapters, but CMMG has a good reputation with the PS90 platform. Ultimately, I chose this one for the assurance of proper fit and function. Other options seemed either questionable in quality or similarly priced.
Initially, I was excited to get this adapter. It was one of the last pieces I needed to complete my SBR project. A little part of me was also apprehensive about whether I’d face any compatibility issues, given the mixed user feedback I’d seen online.
Real-World Testing: Putting CMMG, Inc Thread Adapter, PS90 to the Test
First Use Experience
I first tested the CMMG, Inc Thread Adapter, PS90 at an outdoor shooting range. The weather was dry and sunny, ideal for testing different muzzle devices. I was primarily interested in testing its compatibility with a suppressor.
The adapter was relatively easy to install, though I did notice the threads felt a bit rough at first. I mounted a 1/2″ x 28 RH flash hider and then a suppressor. There were no immediate issues, but I could feel a slight wobble with the suppressor attached.
The first range session was uneventful, but I did experience some noticeable gas blowback while shooting suppressed. This wasn’t necessarily the fault of the adapter, but it was something I immediately noted in conjunction with the new configuration. I did observe that the length of the adapter seemed a little long for the flash hider, leaving a small gap.
Extended Use & Reliability
After several months of use, the CMMG, Inc Thread Adapter, PS90 has held up reasonably well, though some concerns remain. The finish has started to show some wear, particularly around the threads where muzzle devices are attached and removed. I’ve noticed some minor loosening of the adapter after extended firing sessions.
Durability-wise, the adapter has held its shape and integrity, with no signs of cracking or bending. Cleaning is straightforward, requiring only a brush and solvent to remove carbon buildup. I ensure the threads are properly cleaned and lightly lubricated to maintain smooth attachment.
Compared to other adapters I’ve used on different platforms, this one feels overpriced for what it is. While it functions, the fit and finish aren’t as refined as I would expect for the price. It does its job, but I think there are better value options.
Breaking Down the Features of CMMG, Inc Thread Adapter, PS90
Specifications
- Manufacturer: CMMG, Inc.
- Color: Black.
- Gun Model: FN PS90.
- Condition: New.
- Thread Pattern: Designed to allow the use of 1/2″ x 28 RH muzzle devices on your SBR PS90.
These specifications are crucial because they dictate the adapter’s compatibility and functionality. The 1/2″ x 28 RH thread pattern is one of the most common, allowing for a wide range of muzzle devices. Its fit with the PS90 ensures proper alignment and safe operation.
Performance & Functionality
The CMMG, Inc Thread Adapter, PS90 functions as intended by allowing the attachment of 1/2″ x 28 RH muzzle devices. However, the thread roughness and potential length issues detract from its overall performance. The adapter’s primary strength lies in its basic functionality, providing a necessary interface for muzzle device attachment.
The weakness is the thread quality and overall fit and finish. The length also creates some aesthetic issues with certain muzzle devices. It meets the minimum expectations of allowing the attachment of accessories, but doesn’t exceed them.
Design & Ergonomics
The adapter’s design is simple and functional. Its black finish matches most PS90 configurations, but the build quality could be better. The material feels durable, but the thread roughness impacts the user experience.
There is a slight learning curve to ensure proper alignment and tightening of the adapter. The overall design is utilitarian, prioritizing function over form. It is certainly not winning any beauty contests.
Durability & Maintenance
The adapter is made from what appears to be a durable steel alloy. This should offer a reasonable lifespan. Regular cleaning and light lubrication are necessary to prevent carbon buildup and ensure smooth threading.
Maintenance is straightforward, but the finish may wear over time with frequent use and cleaning. With proper care, it should last for several years of moderate use. However, the finish wear is a concern.
Accessories and Customization Options
The CMMG, Inc Thread Adapter, PS90 itself does not come with any accessories. The adapter is primarily for allowing the use of muzzle devices such as flash hiders, compensators, and suppressors that use the 1/2″ x 28 RH thread pattern. Aftermarket options include various muzzle devices and thread protectors.
The adapter is compatible with most standard 1/2″ x 28 RH accessories. Users should verify compatibility and proper fit before use. The ability to use common muzzle devices is the main customization benefit.
Pros and Cons of CMMG, Inc Thread Adapter, PS90
Pros
- Allows use of common 1/2″ x 28 RH muzzle devices on the PS90 SBR.
- Necessary for SBR builds requiring muzzle device attachment.
- Durable steel construction should provide a long service life.
- Simple installation process.
- Provides functional compatibility with a wide range of aftermarket accessories.
Cons
- Threads can be rough and require cleaning/chasing.
- Some users report the adapter being too long for certain muzzle devices.
- Relatively high price compared to perceived value.
- Finish may wear with frequent use and cleaning.
Who Should Buy CMMG, Inc Thread Adapter, PS90?
The CMMG, Inc Thread Adapter, PS90 is perfect for individuals who are SBR’ing their FN PS90 and want to use readily available muzzle devices. It’s also useful for those looking to add a suppressor. This is almost a must-have for those specific configurations.
Individuals who should skip this product are those who are content with the factory PS90 barrel and threading. Also, people who are extremely budget-conscious and willing to explore cheaper, potentially less reliable alternatives might want to avoid this product. Anyone expecting a perfectly polished, high-end adapter may be disappointed.
A must-have accessory would be a high-quality thread protector for when a muzzle device isn’t installed. Thread locker can help prevent loosening during extended firing sessions. It’s also beneficial to have a set of thread chasers or cleaning tools to maintain the adapter’s threads.
Conclusion on CMMG, Inc Thread Adapter, PS90
The CMMG, Inc Thread Adapter, PS90 provides a necessary function for PS90 SBR owners wanting to utilize common muzzle devices, but its value proposition is questionable. While it works, the rough threads, potential length issues, and relatively high price make it a somewhat underwhelming product. The mixed user feedback accurately reflects my experience.
The price is difficult to justify given the minor issues. The cost seems inflated for what is essentially a simple piece of metal. It’s not a terrible product, but the cost is out of line with the quality.
I would recommend it with reservations. If you need an adapter and want to stick with a known CMMG product, then it’s an acceptable choice. Otherwise, explore alternatives and weigh the cost versus potential benefits. Consider if the cost outweighs the drawbacks.
