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If you've been running 9mm on an AR platform, you know the setup usually means hunting down compatible parts and dealing with adapter hassles. The ExoMag changes that equation. It's a dedicated 9mm magazine built from the ground up to work in your standard AR lower without any magwell adapter or modifications.
The key advantage here is that the ExoMag maintains the standard STANAG outer profile, so it seats in your mil-spec or commercial lower receiver exactly like a 5.56 magazine. You get all the handling familiarity and mag-pouches compatibility of a standard AR mag. That means your existing rifle setup stays completely intact. Swap your upper to 9mm, drop in the ExoMag, and you're running.
Inside the magazine is where the purpose-built design really matters. The feed ramp is designed specifically for 9×19 ammo, and the built-in ejector works with standard blowback bolt carrier groups. The mag includes a last-round bolt-hold-open feature, so your rifle functions like an AR-15 should. It's injection-molded polymer construction paired with a high-tensile steel spring and polymer follower, all working together to deliver consistent feeding through hundreds of rounds.
Owners report the ExoMag running flawlessly with any 9mm ammunition, including hollow points. The magazine arrived fully assembled, no tools needed. Real-world testing shows zero feed issues across different 9mm platforms, and the bolt locks back every time on the last round. The polymer is specially formulated for durability and corrosion resistance, so the mag handles regular use and range abuse without problems.
Yes. The ExoMag has standard STANAG dimensions so it drops into any mil-spec or commercial AR-15 lower receiver without any adapters or modifications. You only need to swap your upper to 9mm and install the magazine.
The ExoMag is designed for standard blowback 9mm uppers that use Glock or Colt variant bolt carrier groups. It includes a built-in ejector for these systems. If you have a MEAN Arms bearing delay or CMMG radial delay upper, you'll need the ejectorless version instead.
The magazine works with all 9mm Luger ammunition including full metal jacket, hollow points, and different grain weights. It's not picky about ammo brand, so you can run whatever rounds your rifle cycles reliably.
Yes. Because the ExoMag maintains STANAG outer dimensions, it fits in standard AR-15 mag pouches, carriers, and storage racks just like a 5.56 magazine. Your existing gear is fully compatible.
| UPC | 855926007219 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 2103369 |
| Capacity | 10-Round |
| Color | Black |
| Quantity | 1 |
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