ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine Review

Table of Contents

First Impressions of ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine

In the world of AR-15 accessories, magazines are the lifeblood of the platform. A reliable magazine is paramount to consistent performance, and the ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine promises enhanced capacity and smooth feeding. As someone with over a decade immersed in tactical gear, I’ve seen countless magazines come and go, but the promise of 40 rounds in a readily available package always piques my interest.

My journey to this particular magazine stemmed from a desire for increased firepower during range days and tactical training drills. I was specifically looking for a high-capacity magazine that wouldn’t compromise reliability, a common issue with some aftermarket options. Upon receiving the ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine, my initial impression was of its solid, albeit somewhat utilitarian, design.

The polymer construction felt robust, though not as premium as some higher-end brands I’ve handled. The weight was reasonable considering the increased capacity. Compared to standard 30-round magazines from Magpul and Lancer, the ProMag felt noticeably longer and slightly heavier.

I chose this magazine over others primarily due to the allure of the 40-round capacity at a reasonable price point. I was cautiously optimistic, knowing that ProMag has a mixed reputation in the AR-15 world. My initial excitement was tempered by a healthy dose of skepticism, hoping the Roller Follower design would address common feeding issues found in other high-capacity magazines.

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Real-World Testing: Putting ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine to the Test

First Use Experience

I tested the ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine at my local shooting range, under relatively ideal conditions – clear skies and moderate temperatures. I primarily used it with my AR-15, chambered in 5.56 NATO, and fed it a mix of .223 Remington and 5.56 NATO ammunition from various manufacturers. Initially, the magazine seated securely and locked into place without issue.

The first few rounds fed smoothly, but I quickly encountered a couple of failures to feed around the 20-round mark. I also noticed that loading the magazine to its full 40-round capacity required significant effort, bordering on uncomfortable. Despite these initial hiccups, I continued testing, hoping the magazine would “break in” with use.

Extended Use & Reliability

After several range sessions and approximately 500 rounds through the ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine, the reliability remained inconsistent. While the failure-to-feed issues decreased slightly, they never completely disappeared. The magazine also exhibited some difficulty when dropping free from the magazine well during tactical reloads, particularly when fully loaded.

Regarding durability, the polymer construction has held up reasonably well, showing minor scuff marks but no cracks or significant wear. Cleaning the magazine was straightforward, though disassembling it required a bit more effort compared to standard GI-style magazines. The experience was ultimately disappointing. I’ve had better experiences with standard capacity magazines.

Breaking Down the Features of ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine

Specifications

Manufacturer: ProMag
Caliber: 5.56x45mm NATO
Magazine Capacity: 40 Rounds
Fabric/Material: DuPont Zytel Polymer
Gun Make: AR Platform
Gun Model: AR-15
Follower: Anti-Tilt Roller Follower
Spring: Chrome Silicone Wire

These specifications are important because they dictate the magazine’s compatibility, capacity, and overall reliability. The DuPont Zytel Polymer construction promises durability, while the anti-tilt roller follower is designed to improve feeding reliability.

Performance & Functionality

The ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine aims to provide increased firepower with enhanced feeding. In practice, it only partially achieves this goal. While the 40-round capacity is a definite advantage, the inconsistent feeding reliability detracts significantly from its overall performance.

The magazine’s main weakness is its unreliability. I expect more from a modern AR-15 magazine. It meets the expectation of higher capacity but falls short on reliable feeding.

Design & Ergonomics

The magazine’s design is functional but lacks refinement. The polymer construction is robust, but the overall weight and length can make it cumbersome during extended use. There’s a slight learning curve. Disassembly can be tricky.

Durability & Maintenance

The ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine appears reasonably durable. However, long-term reliability is questionable given the feeding issues I experienced. Cleaning is straightforward, but disassembly requires some effort.

Accessories and Customization Options

The ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine doesn’t come with any specific accessories. There are no real customization options beyond potentially replacing the follower or spring. It should be compatible with most standard AR-15 magazine pouches and carriers, but its extended length may pose a challenge with some designs.

Pros and Cons of ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine

Pros

Increased Capacity: Holds 40 rounds of 5.56 NATO ammunition, offering a significant increase in firepower compared to standard 30-round magazines.
Durable Polymer Construction: The DuPont Zytel Polymer construction is reasonably robust and should withstand moderate use and abuse.
Affordable Price Point: The ProMag offers a high-capacity option at a lower price than some competing brands.
Easy to Disassemble for Cleaning: Basic maintenance is relatively straightforward.

Cons

Inconsistent Feeding Reliability: Experienced multiple failures to feed during testing, especially when fully loaded.
Difficult to Load to Full Capacity: Requires significant effort to load the last few rounds, potentially causing discomfort.
Questionable Long-Term Durability: Long-term reliability is uncertain given the feeding issues encountered.

Who Should Buy ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine?

The ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine might be suitable for recreational shooters who prioritize capacity over absolute reliability and are willing to accept occasional malfunctions. It could potentially be useful for range training. However, it is unsuitable for tactical applications, self-defense, or situations where consistent performance is critical.

Anyone relying on their AR-15 for personal defense or professional use should skip this product. It’s best to stick with more proven and reliable magazine brands.

A must-have modification, if you insist on using it, would be to replace the spring and follower with higher-quality aftermarket components. This might improve reliability, but it also adds to the overall cost.

Conclusion on ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine

The ProMag Roller Follower AR-15 5.56mm 40 Round Rifle Magazine promises a lot, but ultimately falls short in delivering consistent performance. The allure of 40 rounds is tempting, but the reliability issues are a significant drawback. At $28.99, the price is justifiable only if you understand its limitations.

I personally would not recommend this magazine for serious use. There are more reliable options available, even if they come at a higher cost. Consider investing in quality magazines. Your AR-15 and your peace of mind will thank you.