What is ar 5.7?

The AR-5.7, also know as the AR Five-Seven, is a semi-automatic rifle designed and manufactured by the Belgian company Fabrique Nationale (FN) Herstal. It is chambered in the unique 5.7x28mm cartridge, which was specifically developed by FN for use in their firearms.

The AR-5.7 features a lightweight polymer frame and a 16-inch barrel, making it a compact and maneuverable rifle. It has a standard capacity of 20 or 30 rounds in a detachable box magazine.

The 5.7x28mm cartridge offers low recoil and muzzle blast, making it a popular choice for both military and law enforcement use. It also has good penetration and terminal ballistics, giving it adequate stopping power for defensive purposes.

Overall, the AR-5.7 is a versatile and reliable rifle that is popular among shooters looking for a high-capacity, low-recoil firearm for self-defense or sporting purposes.