$30.99
12 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The MEAN Arms EXOMAG is purpose-built for AR-15 owners who want clean 9mm conversion capability. Unlike adapters or conversion kits, this magazine functions as a standard STANAG-pattern mag, meaning it works directly with your existing lower receiver using just a 9mm upper and compatible bolt carrier group. No magwell adapters, no special tools, no modifications needed.
One thing that stands out about the EXOMAG design is how it looks different from standard rifle magazines. Since 9mm rounds are shorter than 5.56 ammunition, the magazine features a skeletonized design that shows the difference at a glance. This visual distinction eliminates confusion during gear checks or training. The injection-molded polymer construction provides excellent strength and natural corrosion resistance, while the high-tensile steel spring and polymer follower work together for reliable feeding through hundreds of rounds.
This magazine is compatible with Glock or Colt variant 9mm bolt carrier groups and feeds every type of 9mm ammunition, including hollow points. The built-in metal ejector is designed specifically for standard blowback systems, ensuring dependable cartridge ejection during fire. Users have reported consistent performance through extended shooting sessions with zero feed issues, and the last-round bolt-hold-open feature keeps your rifle functioning exactly like a standard AR-15.
Since the EXOMAG uses standard STANAG dimensions, you can use most of your existing magazine accessories like pouches, storage racks, and caliber indicators without any modifications. Your reload technique and muscle memory stay the same, so there's zero learning curve when transitioning from .223 to 9mm. The magazine comes fully assembled and ready to use right out of the box.
Yes. The EXOMAG uses standard STANAG magazine dimensions and works directly with any standard AR-15 lower receiver. All you need is a 9mm upper receiver and compatible bolt carrier group (Glock or Colt variant) to convert your rifle to 9mm. No adapters or magwell modifications required.
The EXOMAG feeds all types of 9mm Luger ammunition, including standard rounds and hollow points. It's not picky about bullet design or load type, so you can run whatever 9mm ammo is available without feeding issues.
The ejector version of the EXOMAG is designed to work with standard blowback bolt carrier groups. It ensures spent cases are reliably ejected during normal operation. This version is the right choice if you're using typical 9mm uppers like those based on Glock or Colt designs.
When you fire the last round from the EXOMAG, the magazine follower trips the bolt catch and holds the bolt open, just like a standard AR-15 does with rifle magazines. This means your rifle functions normally for empty magazines, making reload drills and training feel familiar.
| UPC | 855926007288 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 2105769 |
| Capacity | 40-Round |
| Color | Black |
| Quantity | 1 |
You must be logged in to post a review.
Reviews
There are no reviews yet.