5.7 x 28 FN Indoor Brass


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5.7 x 28 FN Brass

The 5.7 x 28 FN or known as the Five-Seven is a semiautomatic handgun. It is designed and made by the Fabrique Nationale d Armes de Guerre-Herstal company located in Belgium. The caliber name represents the bullet size which is the typical .224. The Five-seven handgun was developed by FN Herstal to replace the 9mm. ? The 5.7 x 28 FN needed to have a better range and accuracy. Another feature of the round was to defeat body armor. The 5.7 is used by many foreign military and police forces. Our secret service also uses this handgun.  This caliber has gained in popularity in the United States among recreational shooters.

This brass comes from an indoor range only. All our 5.7 x 28 FN brass is stored indoors and has not been cleaned in any way. This ensures that the original factory coating on the brass is in the best shape as possible. All the orders are bagged in the 1,000 count quantities. Don’t forget to combine orders to fill those flat rate boxes.

If you are interested in purchasing bulk bullets for this caliber, please let us know. We have access to a wide variety of .22 caliber bullets. We would be more than happy to fill your order and give you a very competitive price. If you have any other questions regarding our 5.7 x 28 FN once fired brass, please ask. Arm or Ally knows how important it is to deliver the best quality brass.


  • 1,000 pieces

  • 5.7 x 28 FN

  • Unprocessed / Uncleaned / Original coating intact

  • Hand inspected and sorted.

  • Mixed Commercial Headstamp

  • 100% Brass (No Steel / Aluminum)

  • Sourced From an Indoor Range. This is not outdoor brass!


Weight 140 oz
Dimensions 10 × 7 × 5 in

Once Fired


5.7 x 28 FN

Brass Type

Once Fired – Commercial

Component Type


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