The PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin Made a Bold First Impression
The PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin promises a high-capacity solution for Smith & Wesson M&P9 enthusiasts. This 50-round drum magazine aims to provide extended shooting sessions and reduced reload times, a tempting proposition for range days or competitive shooting. I was initially drawn to this product by the promise of minimizing magazine changes during training sessions, a common frustration when working on dynamic drills.
The need for a high-capacity magazine became apparent during force-on-force training where reloads were costing valuable time. I wanted to evaluate if the ProMag drum offered a practical alternative to carrying multiple standard magazines. My first impression upon unboxing was mixed; the polymer construction felt robust, but the overall design seemed somewhat bulky compared to standard M&P9 magazines.
I considered several other high-capacity options, including extended stick magazines from Magpul and other aftermarket manufacturers. Ultimately, the allure of a 50-round drum, offering potentially uninterrupted shooting, swayed my decision. I anticipated a game-changing experience, but also harbored some reservations about potential feeding issues common in aftermarket magazines.
My initial excitement was tempered by a dose of skepticism. I was eager to see if the PROMAG drum could live up to its promises of increased capacity and reliable feeding. Only real-world testing would reveal its true worth.
Real-World Testing: Putting PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin to the Test
First Use Experience
My initial testing ground was a local outdoor shooting range, where I could rigorously evaluate the PROMAG drum’s performance. I tested it across a variety of conditions. I wanted to simulate real-world scenarios, from rapid firing drills to slower, more deliberate target practice.
Unfortunately, the first range session was marred by immediate problems. As noted in user feedback, the drum magazine refused to lock into either my full-size M&P9 M2.0 or my M&P FPC. This immediately threw into question the basic functionality of the product.
The fitment was excessively loose. The magazine would simply fall out of the gun with even slight movement or shaking. I was thoroughly disappointed.
Extended Use & Reliability
Due to the initial fitment issues, extended use wasn’t possible with either firearm. However, I did attempt to diagnose the problem further. I compared the PROMAG drum to a factory S&W magazine.
The issue stemmed from a significant dimensional difference on the forward side of the magazine. The PROMAG drum was noticeably narrower, preventing proper engagement with the magazine catch. The design flaw rendered the magazine unusable.
Maintenance was essentially a non-issue since I couldn’t even use it. I could not disassemble or test the cleaning process. This experience was deeply dissatisfying, confirming my initial skepticism about aftermarket drum magazines.
Breaking Down the Features of PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin
Specifications
The PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin is designed as a high-capacity magazine for the Smith & Wesson M&P9 pistol platform. It features a 9mm caliber and a stated 50-round capacity. The magazine body is constructed from a black polymer.
According to ProMag, the magazine is of OEM origin, suggesting it adheres to factory specifications. However, based on my experience and other user reports, this claim seems questionable. The key specifications of a 50-round capacity should enhance the shooting experience through fewer reloads, but this is irrelevant if the magazine doesn’t properly function.
Performance & Functionality
Unfortunately, the PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin fell dramatically short in terms of performance and functionality. The primary issue was its inability to lock into the M&P9 firearm, rendering it completely unusable. The loose fitment and failure to engage the magazine catch completely negate the promised benefit of a high-capacity magazine.
There were issues with follower, but I didn’t load the magazine due to the above issues. This product did not meet my expectations. I cannot overstate my disappointment with this aspect.
Design & Ergonomics
The drum magazine’s design is bulky. It significantly alters the ergonomics of the M&P9. The polymer construction felt reasonably solid in hand.
The increased weight, combined with the awkward design, would likely make concealed carry impractical. There is definitely a learning curve involved in using drum magazines due to their unusual size and potential loading complexities.
Durability & Maintenance
Given that I could not properly use the magazine, assessing long-term durability is impossible. The polymer material suggests decent resistance to impacts and wear. Disassembly for cleaning and maintenance is likely more complex than with standard magazines due to the drum design.
However, the initial failure raises serious concerns about the overall quality control and engineering of this ProMag product. Until the fitment issue is resolved, the magazine’s potential lifespan is irrelevant.
Accessories and Customization Options
The PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin does not typically come with additional accessories. There are no readily apparent customization options for drum magazines beyond aftermarket followers or springs. Compatibility with speed loaders designed for standard M&P9 magazines may be limited due to the drum’s shape.
Aftermarket baseplates or extensions are uncommon for drum magazines. The limited customization options are less of a concern than the fundamental functional flaws.
Pros and Cons of PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin
Pros
- Potentially high capacity (50 rounds).
- Durable polymer construction (in theory).
- May reduce reload frequency in range settings if it worked.
Cons
- Does not reliably lock into S&W M&P9 firearms.
- Poor fit and finish.
- Questionable OEM origin claim.
Who Should Buy PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin?
Theoretically, competitive shooters or recreational range users looking for extended shooting sessions might benefit from a high-capacity drum magazine. However, due to the serious fitment issues, I cannot recommend this product to anyone. Individuals seeking reliable performance and compatibility with their S&W M&P9 should avoid this product.
Instead, consider purchasing factory S&W magazines or reputable aftermarket magazines with proven reliability. This is not a must-have accessory; it’s a potential paperweight.
Conclusion on PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin
The PROMAG S&W M&P9 9MM 50RD DRUM BLACK – 9mm Caliber, OEM Origin promises an extended shooting experience, but ultimately fails to deliver on its core functionality. The inability to properly lock into the S&W M&P9 platform renders it useless. The price of $71.49 is not justified given the significant flaws.
I cannot recommend this product based on my testing and user feedback. There are better alternatives. Investing in reliable factory magazines or proven aftermarket options is a far wiser choice.
This is one product I would advise against purchasing. Save your money and seek better options.