+3 Magazine Extension for SAR USA CM9 Pistols

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SAR USA CM9 +3 Magazine Extension

You've asked and now we're answering. Introducing our newest +3 magazine extension for the CM9 pistol. Made from carbon fiber reinforced nylon, this economical mag extension is no slouch in the engineering department, with the material being one and half times stronger than aluminum. The extension adds 3 rounds making your 17 round mag a 20 round now. Get yours today!

Includes a socket head screw on the top front for retention. Remove the retaining screw, install the extension, then replace the retaining screw and snug it up to the face of the extension body to keep the extension from sliding forward. There is no need to over-tighten the set screw. Use a 3/32nd allen wrench to make the adjustments.

Magazine not included.

Listing is for 1 +3 Round Magazine Extension.

Fits SAR USA CM9 Factory Magazines.

*** A 20% restocking fee will be applied on returned magazine extensions that have been installed. Non-installed parts will receive a full refund (minus shipping). ***

As always, proudly made right here in the USA.US Flag


Specifications

  • Parent SKU
    GP-ME-CM9
  • Brand
    Galloway Precision
  • Country of Origin
    USA
  • Assembly
    Fletcher NC USA
  • Item Condition
    Brand new in original packaging
  • Made from
    Carbon Fiber Reinforced Nylon
    • SKU
      GP-ME-CM9
  • Product class
    Galloway Precision Product
  • Add a 3/32 Allen Wrench
    No Allen Wrench, Yes 3/32 Allen Wrench
  • Manufacturers
    • Manufacturer
      Galloway Precision

Product questions

  • Clint F.
    Oct 31, 2022, 15:47

    I don't see that this comes with a new spring. Does it function reliably with jus the stock length spring?

    Administrator
    Oct 31, 2022, 16:31

    It doesn't need a new spring for this extension is why we do not include one. If it was needed we would offer it with the extension.

  • Noah Renouf
    Aug 20, 2022, 15:24

    Yes I would like to know if this extension would work on a CM9 gen1 pistol? It's also called a K2P2 pistol. I also own a cm9 gen 2 and the mags look identical to each other. The only difference is the K2P2 has a metal floor plate, compared to the cm9 gen2 that has a plastic one. So, have you guys played around with the floor plate extensions to see if they would work on my cm9 gen 1 (K2P2) pistols mags? Thank you for your time.

    Administrator
    Aug 22, 2022, 08:53

    sorry we have only worked with the CM9 Gen2 units.

  • Michael Payne
    Apr 27, 2022, 20:01

    I have two different versions of sar cm9 magazines. They both are externally the same but one has a longer spring and a taller follower. Which one is this extension designed around?

    Administrator
    Apr 28, 2022, 09:07

    It should work normally with either. The extension is just a pocket that creates space, the spring still stacks out like normal as you load it to capacity.

  • Michael Payne
    Apr 26, 2022, 23:20

    When installing this does the spring rest against this extension or do you use the factory floor plate?

    Administrator
    Apr 27, 2022, 11:02

    Reuse your stock spring plate when you reassemble. This is so you can compress the spring up into the mag body to remove the extension, spring, follower for cleaning the mag and parts.

  • Michael Payne
    Apr 7, 2022, 18:48

    Should I use blue Loctite on the retention screw?

    Administrator
    Apr 8, 2022, 10:35

    You can, typically the nature of the carbon fiber in the material prevents movement but it can be added if you would like.

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*100% money back (less shipping) on all our products is offered by us against failure of our components or just displeasure our products did not meet your expectations or end needs within the first 30 days. Buy and don't like it, we will refund your purchase price minus shipping upon return, within 30 days of purchase of the complete unmodified parts in question, with the exception of Tool Kits, Tools, Installation Kits, and Closeout products which All Sales are Final. A 20% restocking fee will be applied to returned Triggers, Trigger Kits, Optic Mount Plates, and Guide Rods that have been installed and damaged. Non-installed/non-damaged parts will receive a full refund. If you choose to modify any of our parts without instruction from a Galloway Precision tech, the parts are not eligible for refund or replacement. Refunds are issued upon return within 2 business days back to the original credit card used to purchase the product. We may apply signature required to reduce lost orders for totals over 100.00 or replacement parts or apt addresses.

Despite every effort to provide accurate images of each product’s color and design, actual colors and design may vary slightly, due to different device screen settings, the lighting in the installation location, slight differences in product finishes over time and other factors. Galloway Precision will not accept responsibility for any color or design differences that are not factory faults. When purchasing from Galloway Precision, you agree to accept the small risk that there will be a slight variation between the actual color and design, and the representation on our website. In addition, please be aware that colors and textured finishes often vary between batches; for example slightly different shades of ‘Red’, different degrees of shininess, and different looks and feel for ‘metal/Printed products’ material.

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