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SKU: 107419961

This item may ship from a different location and therefore is only eligible for ground shipping.


  • Q&A

  • Upgrade your 5.7 x 28 pistol with the CMMG FNH FiveSeven 5.7 x 28 10-Round Extension Magazine. This magazine features a 10-round capacity and a saltwater-resistant, chrome silicon spring. Quick installation.
    Features and Benefits
  • 10-round capacity
  • Chrome silicon spring is saltwater resistant
  • Extension magazine for 5.7 x 28 caliber pistols
  • What's in the Box
  • CMMG FNH FiveSeven 5.7 x28 10-Round Extension Magazine
  • Important Product and Safety Information
  • You must be 18 years old to purchase this product. In ordering this product, you certify that you are at least 18 years old and satisfy your jurisdiction's legal requirements to purchase this product.
  • Even though you are able to check out with this item, it may be removed from your order if shipping to a restricted location.
  • We recommend the use of protective eyewear whenever using or near the use of this item.
  • CMMG FNH FiveSeven 5.7 x 28 10-Round Extension Magazine