First Thoughts on the ProMag COL-A16 AR-15 Magazine 42RD .223 REM/5.56 NATO Black Polymer – 223 Remington/5.56 NATO Caliber, 42 Rounds, Aftermarket Origin, AR-15 Model
The AR-15 platform is known for its modularity and adaptability, and high-capacity magazines are a natural extension of that. ProMag enters the arena with their COL-A16 AR-15 Magazine 42RD .223 REM/5.56 NATO Black Polymer, promising increased firepower in a lightweight package. This magazine aims to offer a cost-effective solution for shooters looking to extend their range time and minimize reloads.
As someone who’s spent years in the tactical and outdoor gear world, I’ve seen countless magazines come and go, some reliable, others… not so much. I was looking for a magazine that would offer a higher round count without sacrificing reliability. I was drawn to the ProMag offering due to its affordability and the promise of durable polymer construction.
Upon receiving the ProMag COL-A16 AR-15 Magazine, the initial impression was…practical. The black polymer felt sturdy, though perhaps not as refined as some higher-end metal magazines. Compared to a standard 30-round Magpul PMAG and a steel 40-round magazine I own, the ProMag felt noticeably lighter than the steel variant, but slightly bulkier than the PMAG. I ultimately chose this magazine hoping that the combination of increased capacity and a low price point would translate into a good value for high volume shooting.
My first impression was cautiously optimistic. I was eager to see how it would perform under real-world conditions, knowing that aftermarket magazines can be hit-or-miss.
Real-World Testing: Putting ProMag COL-A16 AR-15 Magazine 42RD .223 REM/5.56 NATO Black Polymer – 223 Remington/5.56 NATO Caliber, 42 Rounds, Aftermarket Origin, AR-15 Model to the Test
First Use Experience
The initial testing ground for the ProMag COL-A16 was my local outdoor shooting range. I ran it through my standard AR-15, chambered in 5.56 NATO. The weather was sunny and dry, ideal conditions for shooting.
Loading the magazine was straightforward, though the spring tension definitely increased as I approached the 42-round capacity. The magazine seated firmly into the magwell, and the initial cycling of rounds seemed smooth. My first few strings of fire were uneventful; the magazine fed reliably. However, after about 100 rounds, I experienced a few failures to feed, primarily with cheaper bulk ammunition.
Extended Use & Reliability
After several weeks of use, including multiple range sessions and a carbine course, the ProMag COL-A16 has shown a mixed performance. While it generally functions, its reliability is not on par with standard capacity magazines from established manufacturers like Magpul. There are definite signs of wear, particularly around the feed lips, after a few hundred rounds.
Cleaning the magazine is relatively simple, though the polymer material seems to attract more dirt and grime than metal magazines. Compared to my experience with PMAGs, the ProMag requires more frequent cleaning to maintain consistent performance. I wouldn’t trust it as my primary magazine in a critical situation.
Breaking Down the Features of ProMag COL-A16 AR-15 Magazine 42RD .223 REM/5.56 NATO Black Polymer – 223 Remington/5.56 NATO Caliber, 42 Rounds, Aftermarket Origin, AR-15 Model
Specifications
- Caliber: .223 Remington/5.56 NATO. This ensures compatibility with the vast majority of AR-15 rifles.
- Capacity: 42 Rounds. Offering a significant increase over standard 30-round magazines.
- Finish: Black. A standard, non-reflective finish.
- Model: AR-15. Specifically designed for the AR-15/M16 platform.
- Origin: Aftermarket. Not manufactured by the original firearm manufacturer.
- Material: DuPont® Zytel™ based polymer. A lightweight and durable polymer.
- Spring: Heat treated Chrome-silicon wire. Designed for increased reliability and smooth feeding.
These specifications are crucial because they dictate the magazine’s compatibility, capacity, and potential reliability. The polymer construction aims for durability and weight reduction, while the spring material is intended to ensure consistent feeding.
Performance & Functionality
The ProMag COL-A16 performs its primary function – holding and feeding ammunition – with moderate success. Its strength lies in its high capacity. The increased round count minimizes the need for frequent magazine changes during training or competition.
However, its weakness is reliability. Failures to feed, especially with lower-quality ammunition, detract from its overall usability. It meets the basic expectation of a magazine, but doesn’t exceed it in terms of consistent, reliable performance.
Design & Ergonomics
The build quality is adequate for the price point. The polymer construction keeps the weight down, but the overall feel isn’t as robust as higher-end magazines.
The magazine is relatively user-friendly. The slightly increased size compared to standard magazines may require some adjustment to reload techniques, but the learning curve is minimal.
Durability & Maintenance
The ProMag COL-A16’s durability is a concern, especially around the feed lips. The polymer construction is susceptible to wear and tear with frequent use.
Maintenance is straightforward. Regular cleaning is recommended to ensure optimal performance, especially after exposure to dusty or dirty environments.
Accessories and Customization Options
The ProMag COL-A16 itself doesn’t offer much in the way of accessories or customization. Standard magazine pouches designed for AR-15 magazines will typically accommodate it.
Compatibility with aftermarket followers or baseplates is possible, but not explicitly stated by ProMag. Experimentation may be required.
Pros and Cons of ProMag COL-A16 AR-15 Magazine 42RD .223 REM/5.56 NATO Black Polymer – 223 Remington/5.56 NATO Caliber, 42 Rounds, Aftermarket Origin, AR-15 Model
Pros
- High capacity (42 rounds) for extended shooting sessions.
- Affordable price point compared to other high-capacity options.
- Lightweight polymer construction.
- Easy to load and use.
- Fits standard AR-15 magwells.
Cons
- Reliability can be inconsistent, especially with cheaper ammunition.
- Durability is questionable, with potential for wear and tear on feed lips.
- May require more frequent cleaning than other magazines.
Who Should Buy ProMag COL-A16 AR-15 Magazine 42RD .223 REM/5.56 NATO Black Polymer – 223 Remington/5.56 NATO Caliber, 42 Rounds, Aftermarket Origin, AR-15 Model?
The ProMag COL-A16 is perfect for recreational shooters looking to extend their range time on a budget. It can also be useful for training scenarios where high round counts are beneficial and absolute reliability isn’t paramount.
This product should be skipped by anyone who requires absolute, unwavering reliability in a magazine, such as law enforcement professionals or those using their AR-15 for home defense where failure is not an option. A must-have modification might be a higher-quality follower if you experience frequent feeding issues.
Conclusion on ProMag COL-A16 AR-15 Magazine 42RD .223 REM/5.56 NATO Black Polymer – 223 Remington/5.56 NATO Caliber, 42 Rounds, Aftermarket Origin, AR-15 Model
The ProMag COL-A16 AR-15 Magazine offers a high-capacity solution at an attractive price. However, its inconsistent reliability and questionable durability are significant drawbacks.
The value proposition is decent, considering the price, but be aware of the potential trade-offs. I would recommend this magazine with reservations, primarily for casual range use and only with the understanding that it may not perform flawlessly. If you’re on a tight budget and want to experiment with a higher capacity magazine, give it a try, but always have reliable standard capacity magazines on hand as a backup.