Mean Arms

Mean Arms ENDOMAG - 9MM - RSC

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  • Mean Arms ENDOMAG - 9MM - RSC
  • Mean Arms ENDOMAG - 9MM - RSC


Mean Arms ENDOMAG - 9MM - RSC

We are also pleased to introduce the MEAN EndoMag™ for Restrictive States.  This EndoMag product comes already fully assembled in a new (depending on availability could be either a Gen 2 or Gen 3) 5.56/.223 PMAG® housing and is restrictive state compliant as an unmodifiable, 10-round magazine (fixed base plate).  If you live in a restricted state, such as California or New York, you can now utilize your standard AR lower and 9mm upper of your choosing with a Glock or Colt variant 9mm BCG.

Here is a list of features the Mean Arms 9mm Magazine Adapter are as follows:

  • 10-round compliant. 
  • Functions as a magazine!
  • No magwell adapter needed!
  • Keep your standard 5.56 Multi Caliber lower receiver!
  • Comes fully assembled with a fixed baseplate to comply with state law.
  • No tools required.
  • Keep all your PMAGsⓇ in use, no need to buy additional or specific 9mm magazines.
  • Keep your muscle-memory reload-training the same between calibers! Same magazine, same draw, same feel.
  • No learning curve when reloading because it is the same magazine you already use!
  • Use most of your PMAGⓇ accessories: i.e. mag pouches, storage racks, decals, caliber indicators, etc.
  • Not a picky eater. Shoots all 9mm munitions. Hollow points included.


Key Functions

  • No modifications to your 5.56x45 lower!  Changing calibers is now simply a complete 9mm upper for your AR platform. No nuts, no bolts, no drilling, no bull.
  • Last round bolt-hold open feature, just as an AR-15 should function.
  • Built-in ejector designed to perform under intense conditions.
  • Live in a non-restrictive state?  Purchase our normal EndoMag™ version to convert your 5.56x45 PMAGⓇ to 9mm in seconds, and easily convert back to 5.56 without damaging your PMAGⓇ. No permanent changes to anything!
  • Specially formulated polymer.
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Additional Information

Cartridge Compatibility:
Magazine Capacity:
Magazines Included:
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