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Maxim Defense CQB Pistol EXC (Options)

  • The Maxim CQB Pistol EXC is your top choice when it comes to functionality, durability, and comfort for your AR15 pistol. Thanks to our standard buffer & spring (included), or our exclusive JP Silent Captured Spring (optional upgrade sold separately), the EXC only adds 5.35” to your receiver at its most collapsed position with no special bolt carrier needed. It adjusts to 4 total positions giving your AR15 pistol the adjustments needed for the perfect cheek weld. The EXC is also perfect to use on your soon-to-be short barreled AR15 while you’re waiting on your Form 1 to clear. Once the form clears, simply swap out the cheek brace.

    Built in Sling Mounts, 7075 Aluminum Housing

    The Maxim CQB EXC features built in anti-rotational sling mounts on each side of the housing. Both the housing and the stock are made of 7075 aluminum for maximum strength to weight performance.

    Length of pull preset & Steel Guide Rods

    With the “grab and pull” operation of the Maxim Defense Arm Brace, you may want the brace to stop in the same position each time it’s deployed. Install the provided set screw and you can have consistent length of pull every time you expand the arm brace.

    3/8” Black Nitride Steel guide rods for strength and stability.

    Knurled collapse lever

    One hand operation is possible with the Maxim collapse lever. The take down lever is knurled for positive gripping when hands are wet or wearing gloves.

    "All Maxim Defense products are engineered and manufactured for durability. Extensive field testing with experienced operators ensure any weak points are extinguished, and all functionality has a purpose. You can trust that if a product is in our offerings, it is not built for safe queens."

    Click Here for Installation Guide

  • Manufacturer Part Number: 8523976141 (Black), 8523976142 (FDE)

    7075 Aluminum Alloy housing for optimal performance with QD mounts

    5.375” closed
    6.875” 1st position
    8.375” 2nd position
    10” fully extended


  • The MSR Arms Advisor articles are intended to answer some of the most common shooter questions and assist our customers in making the best purchasing decision possible.
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  • No questions have been submitted regarding this product. If you have a question regarding this, or any of our other products, please submit them by emailing We will return your email promptly and post both the question and answer here for our other customers to view. Remember, there are no dumb questions... Thank you, MSR Arms!

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