Maxim CQB Pistol / PDW Brace w/ JP Buffer

Maxim Defense Industries

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Maxim CQB Pistol / PDW Brace for AR15

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Maxim CQB Pistol PDW Brace for AR15

Black w/ JP Captured Spring (standard, heavy, or 9mm)

The long-awaited PDW / CQB Adjustable Pistol Brace from Maxim is finally here!  Everything you like about the CQB stock, only this is ATF-approved for PISTOL use!  If ever you decide to convert from pistol to registered SBR, you simply purchase / install the buttstock portion of the system -- no need to purchase the buffer tube or captured buffer system.

Perfect for PDW pistols the Maxim Defense Arm Brace gives you the adjustments needed to more comfortably shoot your AR pistol, and makes your pistol more compact for easier transport. Built on the same housing as our PDW stocks, you get the same durability and features. It’s also the perfect stock to run on your pistol while waiting on your Form 1 to clear. When that day comes, keep the same housing installed and simply swap out the arm brace for one of our butt stocks.


  • Standard - standard weight -- comparable to standard weight traditional buffer.  Keep in mind you can always convert to 'heavy' or '9mm' later by purchasing only the weight(s) from JP or Maxim.  If you don't know what you need (and you don't have a 9mm or other blowback operated AR15) choose this option.
  • Heavy - recommended for select fire (machinegun) and some 300 BLK.  If you'd use a heavier traditional buffer, select this option.
  • 9mm -- the heaviest of the three.


7075 Aluminum Alloy housing for optimal performance with QD mounts

5.375” closed
6.875” 1st position
8.375” 2nd position
10” fully extended
Standard, Heavy, and 9mm weight -- ALL options JP Silent Captured Springs.
Standard and Heavy weight Buffer & Spring.


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Maxim CQB Pistol / PDW Brace w/ JP Buffer

Maxim CQB Pistol / PDW Brace w/ JP Buffer

Maxim CQB Pistol / PDW Brace for AR15