5.7X28MM AND 5.7X27MM BULK AMMO

About 5.7x28mm Ammo

The 5.7x28mm cartridge stands as one of the most unique modern rounds in the shooting world, combining high velocity with low recoil in a compact package.

It was first introduced in 1993 by the Belgian firearms manufacturer FN Herstal, who developed the cartridge specifically to meet NATO’s requirements for a new Personal Defense Weapon (PDW) round that could outperform traditional pistol calibers in both penetration and range.

Initially paired with the innovative FN P90 submachine gun and later with the FN Five-seveN pistol, the 5.7x28mm quickly made headlines for its ability to defeat soft body armor and maintain flat trajectories over extended distances.

Designed as a lightweight, high-speed round, it became a popular choice among military and law enforcement units worldwide, praised for its balance of power and manageable recoil.

In recent years, the cartridge has found increasing popularity in the shooting sports community, where its mild recoil and high magazine capacities make it attractive for competitive shooting, varmint hunting, and personal defense.

Civilian shooters appreciate the 5.7x28mm for its exceptional accuracy, low muzzle rise, and unique ballistic performance.

Advancements in ammunition technology have further expanded the versatility of the 5.7x28mm round, with manufacturers now offering a variety of loads including full metal jacket (FMJ) for training, hollow points for defense, and specialized armor-piercing variants for professional use.

Today, firearms like the Ruger-57, FN PS90, and CMMG Banshee have introduced the 5.7x28mm to a broader audience, solidifying its reputation as a forward-thinking cartridge that bridges the gap between traditional pistol and rifle calibers.

5.7x28 ammo offers high velocity and low recoil, making it ideal for diverse shooting applications. The cartridge’s unique design enhances penetration capabilities and flat shooting trajectories, redefining what shooters can expect from a small-caliber round.

Whether for personal defense, target shooting, or tactical applications, 5.7x28 ammunition continues to make a significant impact on modern firearms culture, offering shooters an innovative option that blends speed, precision, and cutting-edge performance.

5.7x28mm Ammunition Features

High Velocity and Flat Trajectory
One of the hallmark traits of 5.7x28 ammunition is its remarkably high muzzle velocity, often exceeding 2,000 feet per second depending on the load. This speed results in a flat shooting trajectory, allowing shooters to engage targets with greater precision at extended distances. Whether used in pistols like the FN Five-seveN or carbines like the FN PS90, the cartridge delivers pinpoint accuracy.

Low Recoil for Better Control
Despite its high speed, 5.7x28mm ammo generates significantly less recoil than many traditional handgun and rifle calibers. This feature makes it an excellent choice for shooters seeking fast follow-up shots and improved control, particularly in defensive or tactical scenarios where split-second accuracy matters.

Lightweight and Compact Design
The cartridge’s slim, bottlenecked shape contributes to its lightweight profile, enabling higher magazine capacities without adding bulk or weight. This is why firearms chambered in 5.7x28 often hold more rounds than typical handguns or carbines, offering a significant advantage for both tactical operations and self-defense.

Armor-Penetrating Capability (in Specific Loads)
One of the reasons 5.7x28 ammo was originally developed was to provide enhanced armor-penetration capabilities. Certain military and law enforcement-specific loads feature advanced bullet designs capable of penetrating body armor, making them suitable for specialized tactical roles. Civilian loads, however, are designed for safety and compliance while still offering formidable terminal performance.

Versatile Bullet Designs
The 5.7x28 cartridge is available in a wide range of bullet types, including full metal jacket (FMJ) for training, hollow point (HP) for self-defense, and polymer-tipped rounds for hunting and varmint control. This variety ensures shooters can select the perfect load for any application, from recreational shooting to personal protection.

Enhanced Ballistic Performance
Thanks to advancements in propellants and bullet technology, 5.7x28 ammunition offers impressive energy transfer, delivering effective stopping power while minimizing over-penetration risks—an essential feature for self-defense and urban tactical scenarios.

Optimized for Suppressed Shooting
Although less common, subsonic 5.7x28 ammo is available for those looking to pair it with suppressors. Subsonic loads reduce noise signatures significantly, making them ideal for tactical operations, discreet pest control, or quiet shooting sessions at the range.

Popular Uses for 5.7x28mm Ammo

These attributes make 5.7x28 ammo a favorite for a wide range of shooting applications.

Personal and Home Defense
One of the most significant uses for 5.7x28 ammunition is personal protection. With lightweight, high-velocity bullets capable of delivering impressive terminal ballistics, the round offers effective stopping power while minimizing recoil for faster follow-up shots. Polymer-tipped and hollow point variants are particularly favored for self-defense, ensuring controlled expansion and reduced over-penetration risks in home defense scenarios.

Tactical and Law Enforcement Applications
The 5.7x28mm round was initially intended for military and law enforcement use, and it continues to serve in specialized tactical roles. Law enforcement professionals appreciate its ability to penetrate body armor while maintaining manageable recoil, making it suitable for personal defense weapons (PDWs) like the FN P90. 5.7x28 ammo is trusted in tactical environments for its flat trajectory and high-energy impact.

Recreational and Range Shooting
Thanks to its low recoil and exceptional accuracy, 5.7x28mm ammo has become popular among recreational shooters. Enthusiasts enjoy shooting platforms like the FN Five-seveN pistol or Ruger-57, finding the cartridge easy to control and fun to shoot during long range sessions. Full metal jacket (FMJ) loads offer affordable and reliable performance for target practice and competition shooting.

Varmint and Small Game Hunting
With its flat trajectory and high velocity, 5.7x28 ammunition is also gaining traction in the hunting community for varmint control and small game hunting. Polymer-tipped bullets provide rapid expansion, ensuring quick, humane kills on pests like coyotes, foxes, and groundhogs. Its lightweight profile allows for easy maneuverability in the field.

Suppressor Use
Although not as common, subsonic 5.7x28 ammo is available for shooters seeking a quieter experience when paired with suppressors. Heavier subsonic loads provide lower noise levels, making them ideal for tactical shooting or discrete pest control.

Common 5.7x28mm Ammunition Types

The 5.7x28mm cartridge has carved out a unique space in the firearms world, and with its rise in popularity, manufacturers have developed a variety of ammunition types to cater to different shooting needs. Whether you’re using your FN Five-seveN pistol, Ruger-57, or FN PS90 carbine, knowing the most common 5.7x28 ammunition types helps ensure you get the best performance for your intended application.

Full Metal Jacket (FMJ)
FMJ rounds are the go-to choice for range practice and target shooting. They feature a lead core encased in a copper jacket, which promotes smooth feeding and consistent accuracy. The lightweight, high-velocity FMJ loads are ideal for training sessions, offering reliable function without excessive wear on your firearm. 5.7x28 FMJ ammo is popular for cost-effective practice and minimal barrel fouling.

Hollow Point (HP)
Designed for personal defense and tactical use, hollow point 5.7x28 ammo features an expanding projectile that increases in diameter upon impact. This creates greater stopping power while reducing the risk of over-penetration—a critical feature for home defense scenarios. Hollow points in this caliber offer a unique balance of penetration and controlled expansion, making them an effective defensive choice.

V-Max or Polymer-Tip Ammunition
Many manufacturers, like Hornady, produce polymer-tipped 5.7x28 ammo intended for enhanced accuracy and rapid expansion. The polymer tip streamlines the bullet’s shape for flatter trajectories, while the tip initiates controlled fragmentation on impact. These rounds are excellent for varmint hunting or defensive scenarios where immediate energy transfer is essential.

Subsonic Loads
Subsonic 5.7x28 ammo is crafted to travel below the speed of sound, reducing noise when used with suppressors. Though less common, subsonic loads offer shooters the benefit of quieter operation for tactical applications or discrete shooting. They’re often loaded with heavier bullets to maintain energy despite lower velocities.

Specialty and Armor-Piercing Rounds
Initially developed for military and law enforcement, certain specialty loads exist, including armor-piercing variants like the SS190. While many of these are restricted from civilian use, they’re a testament to the 5.7x28mm’s origins as a high-performance PDW cartridge.

5.7x28mm Ammo FAQs

Question: What is 5.7x28mm ammo used for?
Answer: 5.7x28mm ammo is popular for personal defense, sport shooting, tactical applications, and even small game hunting. Its high velocity, low recoil, and flat trajectory make it a versatile choice for various firearms platforms like pistols and carbines.

Question: Who makes 5.7x28mm ammunition?
Answer: Several manufacturers produce 5.7x28 ammunition, including FN Herstal (the original developer), Federal Premium, American Eagle, and Speer. Each brand offers different bullet types and performance specs to suit various shooting needs.

Question: Is 5.7x28mm ammo good for self-defense?
Answer: Yes. 5.7x28mm ammo is considered a solid option for self-defense due to its high velocity, low recoil, and excellent penetration capability. Many loads are designed for effective terminal performance while minimizing over-penetration risks.

Question: What types of bullets are available in 5.7x28mm ammo?
Answer: 5.7x28mm ammunition comes in multiple bullet types, including Full Metal Jacket (FMJ) for range training, Hollow Point (HP) for self-defense, and polymer-tipped bullets for improved accuracy and terminal performance.

Question: How much does 5.7x28 bulk ammo cost?
Answer: The price of 5.7x28 bulk ammo varies by brand, bullet type, and quantity. Generally, it’s more expensive than traditional handgun calibers like 9mm, ranging from around $0.60 to over $1.20 per round. Buying in bulk often helps reduce the cost per round.

Question: Can I use 5.7x28mm ammunition in any firearm?
Answer: No. 5.7x28mm ammunition is designed for firearms specifically chambered for this caliber, such as the FN Five-seveN pistol, Ruger-57, and FN PS90 carbine. Always check your firearm’s specifications to ensure compatibility.

Question: Is 5.7x28 ammo considered armor-piercing?
Answer: Certain military and law enforcement loads of 5.7x28 ammo were designed with armor-piercing capabilities. However, civilian versions typically do not include armor-piercing bullets and comply with legal regulations while still offering effective performance.

Question: Is 5.7x28mm ammo available in subsonic loads?
Answer: Yes, although less common, subsonic 5.7x28mm ammunition is available for use with suppressors. Subsonic rounds help reduce noise levels while maintaining effective performance, making them ideal for tactical and discreet shooting.

Question: What makes 5.7x28mm ammunition unique?
Answer: 5.7x28mm ammo offers a unique blend of high velocity, low recoil, and flat trajectory, delivering excellent accuracy and versatility. It bridges the gap between traditional pistol rounds and rifle cartridges, making it a standout choice for many shooters.

Question: Where can I buy 5.7x28mm bulk ammunition online?
Answer: You can purchase 5.7x28 bulk ammunition from reputable online retailers such as Top Gun Ammo and Shell-Shocked. Be sure to check local laws and shipping regulations before ordering.