The Frontier Cartridge FR200 delivers military-grade performance in 5.56x45mm NATO chambering with consistent 55-grain full metal jacket projectiles. This centerfire rifle ammunition meets stringent military specifications while remaining accessible for civilian applications. Each case contains 25 boxes of 20 rounds, providing 500 rounds of reliable ammunition for training, competition, or recreational shooting.
What Makes This Different
Frontier ammunition undergoes rigorous quality control testing to ensure consistent velocities and reliable feeding across multiple rifle platforms. The brass cases feature proper headstamp markings and are manufactured to NATO specifications for enhanced durability. Unlike budget ammunition that may sacrifice consistency, the FR200 maintains tight tolerances on powder charges and overall cartridge length for predictable performance.Key Features
- 55-grain full metal jacket bullets for reliable expansion and penetration
- 5.56x45mm NATO chambering compatible with .223 Remington chambers
- Military-grade brass cases with consistent wall thickness
- Boxer primers allow for reliable ignition and case reloading
- 500 rounds total per case (25 boxes × 20 rounds each)
- Muzzle velocity approximately 3,240 fps from 20-inch barrel
- Non-corrosive powder and primers prevent barrel damage
Technical Specs
- Caliber: 5.56x45mm NATO
- Bullet weight: 55 grains
- Bullet type: Full Metal Jacket (FMJ)
- Case material: Brass
- Primer type: Boxer, non-corrosive
- Muzzle velocity: ~3,240 fps (20" barrel)
- Muzzle energy: ~1,280 ft-lbs
- Package: 20 rounds per box, 25 boxes per case
- Total rounds: 500 per case
- Country of origin: United States
