Let’s Dive into CMMG, Inc AR15 Spring, Disconect
The CMMG, Inc AR15 Spring, Disconnect may seem like a small part, but it plays a crucial role in the AR-15’s fire control group. This unassuming spring ensures the proper function of the disconnect, which is responsible for resetting the trigger after each shot. Without a properly functioning disconnect spring, your AR-15 might experience malfunctions like “doubling” or even going full-auto, neither of which are desirable, or safe.
I decided to review the CMMG, Inc AR15 Spring, Disconnect because a recent build of mine was exhibiting some trigger reset issues. I was experiencing inconsistent reset, sometimes mushy and sometimes failing to reset altogether. While troubleshooting the trigger, sear, and hammer, the disconnector spring became the focus of attention.
Upon receiving the CMMG, Inc AR15 Spring, Disconnect, my initial impression was that it’s… well, a spring. It looked like a standard AR-15 disconnect spring. The finish was clean, and the spring felt properly tensioned when compressed.
I did not compare this part with other similar products in this review as it is a simple, mil-spec spring for a very specific purpose. My first impression wasn’t excitement, but relief. This tiny, inexpensive part might be the key to getting my rifle running reliably.
Real-World Testing: Putting CMMG, Inc AR15 Spring, Disconect to the Test
First Use Experience
I tested the CMMG, Inc AR15 Spring, Disconnect at my local indoor shooting range. I installed the spring in my AR-15 lower receiver, ensuring it was properly seated in the disconnect pocket. I then performed a function test, dry-firing the rifle several times to check for proper trigger reset.
The difference was immediately noticeable. The trigger reset was now crisp and consistent, with a positive “click” indicating a successful reset. I ran several magazines through the rifle, experiencing no malfunctions related to the trigger or disconnect.
Extended Use & Reliability
After several weeks and hundreds of rounds, the CMMG, Inc AR15 Spring, Disconnect continues to perform flawlessly. There are no signs of wear or weakening of the spring tension. Maintenance is non-existent; this part requires no special care.
Compared to my previous experience with the malfunctioning spring, this CMMG spring is a significant improvement. My rifle now operates reliably and consistently. It instills confidence during range sessions.
Breaking Down the Features of CMMG, Inc AR15 Spring, Disconect
Specifications
- Material: Spring steel. This provides the necessary resilience and longevity.
- Compatibility: AR-15 platforms. This spring is specifically designed for AR-15 type rifles.
- Function: Provides tension to the disconnect, ensuring proper trigger reset. A properly tensioned spring is critical for a reliable trigger system.
- Price: $1.49. This is extremely affordable.
These specifications matter because they directly impact the rifle’s reliability and safety. A weak or improperly sized disconnect spring can lead to malfunctions, while a quality spring ensures consistent performance. This proper reset and reliable trigger function are both essential for accurate shooting.
Performance & Functionality
The CMMG, Inc AR15 Spring, Disconnect excels at its job. It provides consistent and reliable trigger reset. This is crucial for maintaining accuracy and preventing malfunctions.
Its strength is its simplicity and reliability. There are no unnecessary features or complex designs. The only improvement that can be made is the possible incorporation of coating/plating that enhances corrosion resistance, though such measure would significantly raise price.
Design & Ergonomics
The design is a simple coil spring, perfectly sized and shaped for its intended purpose. The spring is lightweight and unobtrusive. Its size and form allow for easy installation.
There is no learning curve to install or use this spring. It’s a drop-in replacement for the original part. This makes it ideal for novice and experienced gun builders and armorers.
Durability & Maintenance
Given its simple design and robust material (spring steel), the CMMG, Inc AR15 Spring, Disconnect should last for thousands of rounds. Maintenance is minimal; occasional inspection for wear or damage is all that’s required. Replacement is simple and inexpensive if needed.
Accessories and Customization Options
This product does not require any accessories or customization. It’s a standalone component that works within the existing AR-15 fire control group. It is compatible with most AR-15 trigger systems.
Pros and Cons of CMMG, Inc AR15 Spring, Disconect
Pros
- Affordable. At $1.49, it’s a negligible expense.
- Reliable. Provides consistent and positive trigger reset.
- Easy to install. A drop-in replacement for the original part.
- Universal AR-15 compatibility. Works with most AR-15 lower receivers and trigger groups.
- Improves safety. A properly functioning disconnect prevents unsafe conditions like doubling or full-auto firing.
Cons
- Basic design. It is a very simple part; some may prefer coated/treated springs for enhanced corrosion resistance.
- Difficult to diagnose as the root cause of malfunctions. Unless you are familiar with the AR-15 fire control group, it can be difficult to determine if this is the cause of any firing or reset malfunctions.
Who Should Buy CMMG, Inc AR15 Spring, Disconect?
This CMMG, Inc AR15 Spring, Disconnect is perfect for anyone building an AR-15, troubleshooting trigger issues, or simply wanting to have spare parts on hand. It is useful for gunsmiths, armorers, and those who enjoy building and maintaining their firearms.
This product might not be necessary for someone who is completely unfamiliar with AR-15 assembly or repair. It could be better to seek professional assistance in these cases.
There are no must-have accessories or modifications. Ensure you have basic tools for AR-15 assembly. It is also essential to have a good understanding of how the AR-15 fire control group functions.
Conclusion on CMMG, Inc AR15 Spring, Disconect
The CMMG, Inc AR15 Spring, Disconnect is an essential, inexpensive, and reliable component for any AR-15. Its low price is well-justified. It is critical for safe and consistent rifle operation.
I would absolutely recommend this product to anyone building or maintaining an AR-15. It is a small investment that can make a big difference in the reliability and performance of your rifle. So go ahead, ensure your AR-15 is functioning flawlessly – grab a CMMG, Inc AR15 Spring, Disconnect today!