704-394-0387
704-394-0387
Charlotte, NC • Since 1959
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CMMG 10-Round Magazine Extension for FN FiveSeven

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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Product Info
  • Brand
  • SKU
    57AFD1E
  • Quantity in stock
    No items available
  • Condition
    NEW
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