First Impressions of ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine
The Smith & Wesson M&P Shield EZ is a fantastic pistol known for its ease of use, especially for those with limited hand strength. The ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine promises to increase the capacity of this already popular firearm, potentially enhancing its suitability for personal defense and range use. It’s a simple concept – more rounds – but the devil is always in the execution.
I’ve spent years recommending the Shield EZ to new shooters and those with weaker grips. The factory magazines are reliable, but the limited capacity always felt like a drawback. When I saw that ProMag offered a 12-round steel magazine, I was cautiously optimistic.
Upon opening the package, the first thing I noticed was the weight. The steel construction of the ProMag magazine feels significantly heavier than the factory polymer magazine. The finish appears to be a standard black oxide, and the TIG welds look clean and robust. Compared to the factory magazine, the ProMag visually appears to be a quality alternative, although slightly bulkier.
I’ve used ProMag magazines in other firearms before, with mixed results. Some have been incredibly reliable, while others have suffered from feeding issues. I’m approaching this test with a healthy dose of skepticism, hoping this model will lean towards the former rather than the latter. Initial impressions are good, but the true test will be at the range.
Real-World Testing: Putting ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine to the Test
First Use Experience
My first range session with the ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine took place at my local outdoor range on a relatively mild day. I loaded up both the factory magazine and the ProMag with 115-grain FMJ ammunition. The ProMag magazine loaded smoothly, though I immediately noticed it required more effort to insert into the magazine well, even with the slide locked back.
During the first few magazines, I experienced several failures to feed with the ProMag. The slide would consistently fail to fully chamber a round, requiring me to manually tap the back of the slide. The factory magazine ran flawlessly, further highlighting the issue with the ProMag. After about 50 rounds, the feeding issues seemed to lessen somewhat, but they didn’t disappear completely.
Extended Use & Reliability
After several weeks and approximately 300 rounds through the ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine, the reliability has improved slightly but remains inconsistent. The magazine still occasionally causes failures to feed, particularly when fully loaded with 12 rounds. The black oxide finish is already showing some wear around the feed lips and the magazine well contact points.
Cleaning the magazine is straightforward; a simple wipe-down with a cloth and a bit of gun oil is all it takes. However, the inconsistencies in feeding compared to the rock-solid reliability of the factory magazine are hard to ignore. While the increased capacity is appealing, the lack of consistent performance makes me hesitant to rely on the ProMag for anything beyond range practice. It certainly doesn’t outperform the factory magazine.
Breaking Down the Features of ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine
Specifications
The ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine is designed to increase the capacity of the popular Smith & Wesson M&P Shield EZ pistol. It holds 12 rounds of 9mm Luger ammunition, a notable increase over the factory 8-round capacity. The magazine body is constructed of heat-treated steel for enhanced durability.
The magazine spring is formed from heat-treated chrome silicon wire, intended for consistent feeding and long-lasting performance. It features an injection-molded polymer follower designed for smooth and reliable round presentation. The black oxide finish provides a degree of corrosion resistance, but wear is evident with use.
Performance & Functionality
In terms of functionality, the ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine aims to provide a higher capacity alternative to the factory magazine. However, my testing revealed inconsistent performance, with frequent failures to feed, especially when fully loaded. While the magazine does hold 12 rounds, its reliability issues prevent it from meeting expectations. The feeding issues are a significant weakness.
While the magazine body feels robust, its impact on overall firearm performance is underwhelming due to the feeding problems. It simply doesn’t perform as reliably as the factory magazine, which is a critical flaw.
Design & Ergonomics
The steel construction of the ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine feels solid in hand. The added weight is noticeable compared to the factory magazine, potentially affecting the balance of the pistol slightly. The increased length of the magazine also changes the grip profile somewhat, although not significantly.
The magazine loads easily, but the increased effort required to insert it into the magazine well is a minor inconvenience. There is no learning curve involved in using the magazine; it operates like any other pistol magazine.
Durability & Maintenance
The steel construction suggests that the ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine should last for a reasonable amount of time. However, the black oxide finish is already showing signs of wear after only a few range sessions. Maintenance is straightforward; a simple cleaning after each use should be sufficient.
Repairing the magazine would likely involve replacing the spring or follower, if necessary, but no repairs have been needed yet. Given the steel construction, it should be reasonably durable with proper care.
Accessories and Customization Options
The ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine doesn’t come with any accessories. There are no customization options available for the magazine itself. However, it is designed to be compatible with the standard Smith & Wesson M&P Shield EZ pistol, so any modifications or accessories that fit the firearm will work with this magazine.
Pros and Cons of ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine
Pros
- Holds 12 rounds, increasing capacity over the factory magazine.
- Steel construction provides a robust feel.
- Easy to load and clean.
Cons
- Inconsistent feeding, especially when fully loaded.
- Requires more effort to insert into the magazine well.
- Black oxide finish shows wear relatively quickly.
Who Should Buy ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine?
The ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine might be suitable for range use, where occasional malfunctions are acceptable. It could also be useful for individuals who prioritize higher capacity and are willing to experiment with different ammunition types to find a more reliable combination.
However, I wouldn’t recommend this magazine for personal defense or competitive shooting, where consistent reliability is crucial. New shooters or those who rely on their firearm for self-defense should stick with the factory magazines. A must-have modification is a reliable feeding system, but unfortunately, it isn’t included.
Conclusion on ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine
The ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine promises increased capacity for a popular and easy-to-use pistol. However, in my testing, the inconsistent feeding issues outweigh the benefits of the higher capacity. While the steel construction feels durable, the reliability problems prevent me from wholeheartedly recommending this product.
At $42.49, the price is not justified, given the performance. I would personally recommend sticking with the factory magazines for reliable performance. While the idea of increased capacity is appealing, the ProMag Steel Smith & Wesson M&P Shield EZ 9mm 12-Round Pistol Magazine simply doesn’t deliver the necessary reliability for serious use. Save your money and invest in more factory magazines, or look for alternative high-capacity options from reputable manufacturers with a proven track record.