The best 5.7x28mm ammo depends on whether you are shooting an FN Five-seveN pistol, FN PS90 carbine, Ruger-57, CMMG Banshee, or another 5.7x28mm firearm. This unique cartridge was originally developed by FN for the P90 personal defense weapon and Five-seveN pistol, offering low recoil, high velocity, and a flat trajectory compared with traditional pistol cartridges. (FN® Firearms)

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Today, 5.7x28mm ammunition is popular among recreational shooters, competitive shooters, and firearm enthusiasts who want a lightweight cartridge with excellent controllability and extended range compared with common handgun calibers.

Choosing the right 5.7x28mm ammo depends on your firearm, intended use, and performance goals. Training loads prioritize affordability and reliability, while defensive and specialty loads focus on specific performance characteristics.

What Ammo Does FN Five-seveN and PS90 Use?

The FN Five-seveN pistol and FN PS90 carbine use 5.7x28mm ammunition.

The cartridge was designed specifically around the FN Five-seveN pistol and P90 platform before becoming available in additional firearms. FN’s 5.7x28mm cartridge was later standardized by NATO under STANAG 4509. (FN® Firearms)

Always confirm your firearm manufacturer’s ammunition recommendations before selecting a load.

Best Overall 5.7x28mm Ammo

For most 5.7x28mm owners, the best overall ammunition provides a balance of reliability, accuracy, availability, and cost.

A quality 40 grain load is one of the most popular choices because it offers dependable performance across many 5.7 platforms.

Training-focused ammunition is ideal for:

• Range practice
• Familiarization
• High-volume shooting
• Competition practice

FN has introduced dedicated 5.7x28mm training ammunition designed for range use, including 40 grain FMJ loads intended for reliable cycling and consistent accuracy. (FN® Firearms)

For shooters looking to build a larger ammunition supply, explore Bulk Ammo To Go’s complete ammunition selection for available calibers and bulk options.

Best 5.7x28mm Ammo for FN Five-seveN Pistol

The FN Five-seveN pistol is known for its low recoil, high magazine capacity, and unique 5.7x28mm cartridge design.

The best ammunition choices for the Five-seveN typically focus on:

• Reliable feeding
• Consistent ignition
• Accuracy
• Manageable recoil

Many shooters prefer lighter 5.7x28mm bullets because they maintain the cartridge’s high-velocity characteristics.

When choosing ammunition for the FN Five-seveN, test multiple loads to determine which performs best in your specific pistol.

Best 5.7x28mm Ammo for FN PS90

The FN PS90 is a compact carbine chambered specifically for 5.7x28mm ammunition.

The PS90 benefits from ammunition that provides:

• Reliable cycling
• Consistent velocity
• Good accuracy
• Smooth operation

Because the PS90 was designed around the 5.7x28mm cartridge, quality ammunition is important for maintaining reliable performance.

Shooters often choose full metal jacket ammunition for training because it provides affordable practice while maintaining dependable function.

Best 5.7x28mm Ammo for Range Practice

Range ammunition should provide consistent performance without unnecessary cost.

The best practice loads typically include:

• Full metal jacket bullets
• Brass cases
• Reliable primers
• Consistent manufacturing

Training ammunition helps shooters improve:

• Trigger control
• Accuracy
• Recoil management
• Familiarity with their firearm

For frequent shooters, purchasing ammunition in larger quantities can make regular practice more affordable.

Best 5.7x28mm Ammo for Accuracy

The 5.7x28mm cartridge is known for its flat trajectory and accuracy potential. (FN HERSTAL)

Accuracy-focused shooters should consider:

• Consistent bullet weight
• Quality manufacturing
• Proper firearm fit
• Testing multiple loads

Ammunition that performs well in one firearm may produce different results in another. The best accuracy load is the one that produces the most consistent groups in your specific firearm.

Understanding 5.7x28mm Bullet Types

Full Metal Jacket (FMJ)

FMJ ammunition is the most common choice for training and recreational shooting.

Benefits include:

• Affordable practice
• Reliable feeding
• Consistent performance
• Reduced ammunition cost

FMJ loads are commonly selected by PS90 and Five-seveN owners who shoot frequently.

Hollow Point Ammunition

Hollow point ammunition is designed differently from FMJ loads and is typically selected when controlled expansion characteristics are desired.

Performance varies depending on:

• Bullet design
• Velocity
• Barrel length
• Target conditions

Always choose ammunition appropriate for your intended application.

Specialty 5.7x28mm Loads

The 5.7x28mm cartridge has been produced in several specialized configurations, including training, sporting, and defensive-oriented loads. (FN® Firearms)

These loads may prioritize:

• Accuracy
• Velocity
• Expansion
• Specific firearm performance

Best 5.7x28mm Grain Weight

The most common 5.7x28mm bullet weights include:

The ideal bullet weight depends on your firearm and shooting purpose.

Why Buy Bulk 5.7x28mm Ammo?

The 5.7x28mm cartridge is enjoyable to shoot because of its low recoil and controllability. However, frequent shooting can increase ammunition costs.

Buying bulk ammunition can help shooters:

• Reduce cost per round
• Practice more often
• Maintain consistent supply
• Improve shooting skills

For shooters who own multiple calibers, maintaining a reliable ammunition supply makes regular range sessions easier.

How to Choose the Best 5.7x28mm Ammo

Choosing ammunition starts with understanding your firearm and intended use.

1. Identify Your Firearm

Confirm whether you are shooting:

• FN Five-seveN
• FN PS90
• Ruger-57
• Another 5.7x28mm platform

2. Determine Your Purpose

Choose ammunition based on whether you need:

• Training ammo
• Target shooting ammo
• Competition ammo
• Specialized loads

3. Test Different Loads

Every firearm has individual preferences. Testing different ammunition helps determine which load provides the best reliability and accuracy.

Frequently Asked Questions About 5.7x28mm Ammo

What ammo does FN Five-seveN use?

The FN Five-seveN pistol uses 5.7x28mm ammunition. The cartridge was developed by FN specifically for the Five-seveN pistol and P90 platform. (FN® Firearms)

What ammo does FN PS90 use?

The FN PS90 uses 5.7x28mm ammunition designed for the P90 family of firearms. (FN HERSTAL)

Is 5.7x28mm good for target shooting?

Yes. Many shooters enjoy 5.7x28mm for target shooting because of its low recoil, accuracy potential, and flat trajectory.

What grain 5.7x28mm ammo is best?

Many shooters choose 40 grain ammunition because it provides a good balance of velocity, accuracy, and reliability.

Is 5.7x28mm expensive?

Compared with common pistol calibers, 5.7x28mm ammunition can cost more because it is a specialized cartridge. Buying larger quantities can help reduce the overall cost.

Shop 5.7x28mm Ammo

The 5.7x28mm cartridge continues to grow in popularity because it offers a unique combination of low recoil, accuracy, and high velocity.

Whether you own an FN Five-seveN pistol, FN PS90, or another 5.7x28mm firearm, choosing the right ammunition helps maximize reliability and shooting performance.

Explore Bulk Ammo To Go’s ammunition selection to find popular calibers and ammunition options for your next range session.