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What is the application of 5.7x28mm rounds?

The 5.7x28mm round is a small-caliber, high-velocity cartridge primarily designed for use in the FN P90 and FN Five-seven firearms. It was developed by FN Herstal, a Belgian firearms manufacturer, in the late 1980s.

The primary application of the 5.7x28mm round is in military and law enforcement contexts, although it has also gained popularity among civilian shooters. Here are some common applications of the 5.7x28mm round:

  1. Personal defense: The FN Five-seven pistol chambered in 5.7x28mm is used by military personnel, law enforcement officers, and civilians as a personal defense weapon. The round offers increased magazine capacity compared to larger calibers while still providing adequate terminal ballistics.

  2. Military and law enforcement: The FN P90 submachine gun, which uses the 5.7x28mm round, is employed by various military and law enforcement agencies worldwide. Its compact size, high magazine capacity, and armor-piercing capabilities make it suitable for close-quarters combat and specialized operations.

  3. Specialized roles: The 5.7x28mm round's armor-piercing capability and reduced recoil make it useful in specialized roles such as vehicle crew protection, counterterrorism operations, and personal security details.

  4. Sporting and competition shooting: While less common, the 5.7x28mm round is also used in certain sporting and competition shooting disciplines. Its flat trajectory and minimal recoil can be advantageous for specific shooting scenarios.

It's worth noting that the 5.7x28mm round has generated some controversy and debate regarding its effectiveness and suitability for certain applications. However, its adoption by military and law enforcement agencies demonstrates its practical use in specific operational contexts.