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CMMG FN Five SeveN 10 Round Magazine Extension

CMMG FN Five SeveN 10 Round Magazine ExtensionEnlarge « »

CMMG FN Five SeveN 10 Round Magazine Extension


Availability: Out of stock

Capacity: 10-Round
Material: Polymer
  • Magazine body extension is durable polymer, and matches the contours of your existing magazine.
  • Magazine spring is corrosion resistant steel, ensuring reliable function for years to come.


5.7 10rd Mag Extension. The ultimate upgrade to your 5.7x28 pistol. Simply remove floor plate, inspect factory mag opening for burrs(remove burrs as necessary) install extension, insert spring and add floor plate. Installation takes only seconds and does not permanently alter factory magazine. Chrome silicon spring is salt water resistant and will not take a set. 

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