The Hornady Black 5.7x28mm 40-grain V-MAX Brass 25-round box is a high-performance centerfire cartridge engineered specifically for exceptional versatility across standard handguns, personal defense weapons (PDWs), carbines, and bolt-action firearms. A primary friction point when shooting the high-intensity 5.7x28mm caliber is erratic action cycling and extraction failures caused by varying gas port pressure and action timings across different operating systems. Hornady Black resolves this mechanical challenge by optimizing internal ballistics, powder burn rates, and case dimensions to ensure flawless feeding, consistent bolt velocity, and positive ejection in direct blowback, delayed blowback, and gas-operated platforms alike.
The technical advantage focuses on aerodynamic efficiency paired with explosive terminal expansion mechanics. Launching its versatile 40-grain V-MAX bullet at a velocity of 1,810 FPS, this load produces flat trajectories, minimal holdover, and high downrange accuracy for target shooting, personal defense, and varmint hunting. Mechanically, the polymer tip sits above a hollow cavity and a swaged lead core. Upon impact, the polymer tip drives backward into the core, initiating rapid, explosive fragmentation that maximizes energy transfer on target while minimizing the risk of over-penetration.
Slinging its 40-grain V-MAX projectile at 1,810 FPS, this specialized 5.7x28mm round is optimized for smooth, non-binding mechanical function across high-capacity magazines and steep feed ramps. Assembled in premium reloadable virgin brass cases fitted with sensitive, non-corrosive primers and clean-burning propellants, it maintains stable chamber pressure curves and low fouling in action assemblies. The precision-drawn brass cases seal the chamber efficiently during firing, delivering smooth feeding and clean, positive casing extraction during high-volume range strings.
Key Benefits
- Optimized Multi-Platform Cycling: Engineered to cycle reliably across direct blowback, delayed blowback, and gas-operated 5.7x28mm firearms.
- Explosive V-MAX Polymer Tip: Polymer tip forces immediate, violent fragmentation on impact for maximum terminal energy transfer.
- Flat 1,810 FPS Trajectory: High-velocity loading delivers minimal bullet drop and wind drift for accurate short-to-mid-range shot placement.
- Select Virgin Brass Casings: Precision-drawn reloadable brass ensures uniform chamber sealing, smooth extraction, and long reload life.
Technical Specification
- Ballistics: 5.7x28mm | 1,810 FPS Muzzle Velocity | Multipurpose Tactical & Varmint Profile
- Projectile: 40 Grain | V-MAX Polymer Tip | Concentric Lead Core | Tapered Copper Jacket
- Case/Primer: Premium Virgin Reloadable Brass Case | Non-Corrosive Primer | Clean-Burning Propellant
- Logistics: 25 Rounds Per Box | Hornady Black Series
- Dimensions: 5.7x28mm Geometry | Semi-Auto Pistol, Carbine, & PDW Configuration | SKU: 90001
- Application: Target Shooting, Varmint Hunting, Personal Defense, Range Training, and Plinking
- Standards: SAAMI Compliant | Hornady Factory Precision Quality Benchmarks
SMKW remains a trusted source for consistent-lot ammunition that meets platform-specific demands—secure your Hornady Black 5.7x28mm load with confidence and keep your system running within designed parameters.
