Fiocchi 5.7x28mm FMJ 40gr Hyperformance Ammo 400rd Combo Pack

The Fiocchi 57COMPT Hyperformance delivers consistent 5.7x28mm performance in a value-packed 400-round configuration. This full metal jacket ammunition provides reliable feeding and accuracy for training, competition, and recreational shooting applications.

What Makes This Different

Fiocchi's Hyperformance line utilizes premium brass cases and consistent powder charges to deliver tighter velocity spreads than standard 5.7x28mm loads. The full metal jacket design reduces barrel fouling while maintaining excellent feeding reliability in semi-automatic platforms. Factory-fresh brass cases support multiple reloading cycles for handloaders seeking maximum value.

Key Features

• 40-grain full metal jacket bullets for consistent ballistic performance
• Premium brass cases manufactured to tight tolerances
• Boxer primers enable easy reloading and case preparation
• Non-corrosive propellant formulation prevents barrel damage
• 400-round combo pack configuration reduces per-round cost
• Compatible with FN Five-seveN, P90, PS90, and AR-57 platforms
• Muzzle velocity approximately 2,100 fps from 4.8-inch barrel

Range testing demonstrates excellent accuracy potential with most 5.7x28mm firearms, typically producing 2-3 MOA groups at 50 yards. The flat trajectory and minimal recoil make this cartridge effective for precision shooting disciplines and tactical training scenarios. Consistent ignition and extraction performance support rapid-fire applications without reliability concerns.

Technical Specs

• Caliber: 5.7x28mm
• Bullet Weight: 40 grains
• Bullet Type: Full Metal Jacket (FMJ)
• Case Material: Brass
• Primer Type: Boxer, non-corrosive
• Muzzle Velocity: ~2,100 fps (4.8" barrel)
• Muzzle Energy: ~391 ft-lbs
• Quantity: 400 rounds
• Manufacturer: Fiocchi Munizioni (Italy)

This bulk pack configuration provides serious shooters with ample ammunition for extended training sessions while maintaining Fiocchi's reputation for quality control. The combination of reliable performance and competitive pricing makes this an intelligent choice for high-volume 5.7x28mm users.