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First introduced in 1990, the original 5.7×28 cartridge was initially called SS90 ammo and designed by two FN Herstal employees, Jean-Paul Denis, and Marc Neuforge.
Their goal was to replace the 9mm Luger cartridge for personal-defense firearms with greater range, accuracy, and terminal performance.
Although it's not widely considered a heavy-hitting caliber, 5.7x28 ammo is compact, accurate, and produces a light recoil.
Additionally, thanks to the standard extended magazine capacity for weapons chambered in 5.7 ammo, it's also a good choice for personal protection.
5.7x28 ammo features a bottleneck design, with a small 5.7mm diameter projectile and a high velocity of around 2,300 feet per second.
The ammunition has since been adopted by several military and law enforcement agencies. It is also commonly used by civilian firearm owners for target shooting and personal defense.
Over the years, 5.7x28mm ammo has become increasingly popular throughout the firearms community.
It is available in various loads from several major ammunition manufacturers, including FN Herstal, Federal American Eagle, and Speer Ammunition.
Common Names for 5.7x28 Ammo
Since its initial release in the 1980s, 5.7x28 ammunition has had many different name variations. Some of the most common include:
5.7x28 FN Ammo
5.7mm FN Ammo
Regardless of your preferred nomenclature, 5.7 Ammo has continued to gain popularity over the years and is available in the lineup of numerous ammunition manufacturers worldwide.
Popular 5.7x28 Guns
FN Five-seveN This is a semi-automatic pistol designed and produced by the Belgian company FN Herstal. It was first introduced in 1998 and has gained popularity among law enforcement and military personnel, as well as civilians.
FN P90 This is a selective-fire personal defense weapon (PDW) designed and manufactured by FN Herstal in Belgium. It is a compact and lightweight firearm that was designed to be used by vehicle crews, support personnel, and special forces.
Ruger-57 This is a semi-automatic pistol produced by Ruger that was introduced in 2020. It is a relatively new addition to the 5.7x28mm firearm market and has gained popularity for its affordability and reliability.
CMMG Banshee This is a series of AR-style pistols and rifles produced by CMMG. They are available in a variety of calibers, including 5.7x28mm, and are known for their compact size and customization options.
Excel Arms MP-57 This is a semi-automatic pistol produced by Excel Arms. It was designed to be a lightweight and affordable alternative to the FN Five-seveN, and is popular among gun enthusiasts for its unique design and versatility.
5.7x28 Ammunition Features
HIGH VELOCITY 5.7x28mm ammo can achieve high velocities, making it an effective round for both short and long-range shooting.
LIGHTWEIGHT The small size and lightweight nature of 5.7x28 ammo make it easy to carry, particularly in high-capacity magazines
LOW RECOIL Due to its small size and weight, 5.7x28mm ammo has minimal recoil, which can make it easier to handle for shooters of all levels.
PENETRATION POWER 5.7x28mm ammo has a reputation for excellent penetration, even through various categories of body armor.
RELIABILITY 5.7x28 ammo is known for its reliability, making it a popular choice among law enforcement and military personnel.
ACCURACY 5.7x28mm ammo is known for its accuracy, particularly when fired from a firearm that is specifically designed for this round.
5.7x28 Ammo FAQ
QUESTION: What is 5.7x28 ammo?
ANSWER: 5.7x28 ammo is a type of ammunition designed for use in firearms chambered for the 5.7x28mm cartridge.
It is a small, high-velocity round that was originally developed by FN Herstal in the late 1980s as a replacement for 9mm Parabellum in select military and law enforcement applications.
QUESTION: What are the benefits of using 5.7x28 ammo?
ANSWER: Some of the benefits of using 5.7x28 ammo include its high velocity, which allows for flat trajectories and improved accuracy at longer ranges, and its relatively low recoil, which allows for faster follow-up shots.
The round is also known for its armor-penetrating capabilities, making it effective against certain types of body armor.
QUESTION: What guns are compatible with 5.7x28 ammo?
ANSWER: Guns that are compatible with 5.7x28 ammo include the FN Five-seveN pistol, the FN P90 submachine gun, and the AR-57 rifle.
Some other firearms may also be compatible, but it is important to consult the manufacturer or a firearms expert before using any ammunition in a gun.
QUESTION: What popular guns use 5.7x28mm ammo?
ANSWER: The most popular firearms chambered in 5.7x28mm are the FN P90 submachine gun and the FN Five-seveN semi-automatic pistol. Other guns that use 5.7x28mm include the Ruger-57 and the AR-57.
QUESTION: Is 5.7x28 ammo expensive?
ANSWER: 5.7x28 ammo is generally more expensive than some other types of ammunition, such as 9mm or .223. However, prices can vary depending on the brand and quantity purchased.
QUESTION: Is 5.7x28 ammo legal to own?
ANSWER: Yes, 5.7x28 ammo is legal to own in the United States and many other countries. However, it is important to check local laws and regulations before purchasing or using any type of ammunition.
QUESTION: What are some common uses for 5.7x28 ammo?
ANSWER: Some common uses for 5.7x28 ammo include target shooting, hunting small game, and self-defense.
The round's high velocity and armor-penetrating capabilities make it especially useful in law enforcement and military applications.
QUESTION: What is the effective range of 5.7x28mm ammo?
ANSWER: The effective range of 5.7x28mm ammo is generally considered to be around 200-250 meters, although this can vary depending on the specific firearm and ammunition used.
QUESTION: Is 5.7x28mm ammo readily available?
ANSWER: While not as widely available as other calibers, 5.7x28mm ammo can usually be found at most gun stores and online retailers.
However, availability may vary depending on the region and demand.