The Hornady Frontier .223 Remington 55-grain Full Metal Jacket (FMJ) Milspec Ball load delivers 250 rounds of duty-grade training ammunition packed inside a rugged, reusable ammo can. The primary frustration with high-volume bulk ammunition is mechanical failure under rapid-fire conditions—often showing up as loose primers or jagged extraction failures when your rifle gets hot. Hornady eliminates these headaches by manufacturing these rounds to strict military standards, combining crimped primers and mil-spec brass to guarantee flawless cycling through sustained training sessions.
The technical edge comes down to premium components meeting military-grade manufacturing lines. This ammunition pairs match-accurate Hornady projectiles with the legendary, high-volume production lines of the Lake City Army Ammunition Plant. Every variable is governed by military process controls, ensuring highly consistent powder burn rates and tight case tolerances. This strict uniformity means fewer malfunctions, rock-solid safety, and identical bolt carrier group timing every time you press the trigger.
Slinging its classic 55-grain lead-core projectile at blistering velocities, this round is aerodynamically optimized to stabilize perfectly across all common AR-15 barrel twist rates. The brass casings feature visible annealing marks around the neck, a specialized heat-treatment process that removes brittleness and allows the metal to expand and contract smoothly during high-pressure extraction. Backed by crimped Boxer primers that refuse to back out or dislodge under violent bolt velocities, this ammo-can package is the ultimate setup for glass-smooth feeding, clean ignition, and repeatable accuracy.
Key Benefits
- Lake City Army Plant Production: Built on military-grade manufacturing lines to ensure unparalleled component consistency and extreme reliability.
- Crimped Boxer Primers: Heavy-duty crimped primer pockets prevent primer displacement and backouts at high bolt velocities and during rapid fire.
- Annealed Brass Casings: Precision heat-treated case necks reduce metal brittleness, preventing splits and ensuring seamless extraction.
- Reusable Ammo Can Storage: 250 rounds ship pre-packaged in a rugged, weather-resistant ammo can for long-term storage and easy transport.
Technical Specification
- Ballistics: .223 Remington | Classic Milspec Ballistic Curve | Flat-Shooting Target Profile
- Projectile: 55 Grain | Full Metal Jacket (FMJ) | Hornady Lead-Core Bullet
- Case/Primer: Annealed Brass Case | Crimped Boxer Primed | Military-Grade Propellant | Reloadable
- Logistics: 250 Rounds Per Ammo Can | Hornady Frontier Series
- Dimensions: .223 Rem | ~8.15 lbs Per Can | SKU: FR504
- Application: High-Volume Range Training | Tactical Carbine Drills | Bulk Storage & Plinking
- Standards: Manufactured in Compliance with Strict Military Specification and Quality Tolerances
For consistent, high-volume .223 Rem performance built on true mil-spec production standards, secure this Hornady Frontier bulk ammo can from SMKW—your trusted source for duty-grade ammunition and verified manufacturing quality.