The Federal American Eagle .223 Remington 55-grain Full Metal Jacket Boat Tail (FMJ-BT) 20-round box is a commercial-grade centerfire rifle cartridge engineered specifically for high-volume range training, tactical carbine drills, and functional cycling in AR-15 platforms. A primary friction point with low-cost bulk practice rifle ammunition is inconsistent point-of-impact shifts and heavy carbon fouling that clogs gas rings and degrades bolt carrier group (BCG) function during sustained fire. Federal eliminates this training bottleneck by loading a standard-weight 55-grain FMJ-BT projectile over clean-burning propellants, delivering a velocity curve that closely mirrors M193 military ballistics for smooth, repeatable carbine performance.
The technical advantage focuses on pairing a tapered boat-tail base with strict powder-charge uniformity to optimize downrange trajectory and action cycling. Launching its standard 55-grain payload at a blistering muzzle velocity of 3,240 FPS, this range load maintains flat trajectories and predictable downrange energy. Mechanically, the boat-tail base geometry reduces rearward aerodynamic drag compared to standard flat-base bullets. This increased aerodynamic efficiency stabilizes the projectile in flight, resisting wind drift and tightening shot dispersion across extended target distances while maintaining optimal dwell times for direct-impingement gas systems.
Slinging its 55-grain FMJ-BT bullet at 3,240 FPS, this cartridge is optimized to cycle flawlessly across semi-automatic rifles and bolt-action platforms alike. Assembled in first-run, factory-fresh virgin brass casings and equipped with sensitive, non-corrosive Boxer primers, the load ensures uniform chamber sealing and positive mechanical extraction. Formulated with clean-burning propellants, it drastically minimizes carbon buildup on gas ports, bolt faces, and carrier groups, sustaining smooth cycling dynamics and preventing stovepipes or failure-to-extract stoppages during rapid firing strings.
Key Benefits
- M193 Ballistic Profile Match: 3,240 FPS muzzle velocity profile mirrors military-spec ballistics for realistic zeroing and recoil management.
- Aerodynamic Boat-Tail Base: Tapered rear geometry reduces base drag, improving flight stability and tightening downrange shot groups.
- Clean-Burning Propellant Matrix: Formulated to reduce carbon fouling in the bolt carrier group and gas tube during high-volume strings.
- First-Run Virgin Brass Hulls: Precision-drawn brass casings ensure uniform feeding, positive extraction, and high reloadability.
Technical Specification
- Ballistics: .223 Remington | 3,240 FPS Muzzle Velocity | M193 Ballistic Parity / High-Volume Training Profile
- Projectile: 55 Grain | Full Metal Jacket Boat Tail (FMJ-BT) | Concentric Copper Jacket | Target Geometry
- Case/Primer: Premium Virgin Brass Case | All-Weather Non-Corrosive Boxer Primed | Clean-Burning Propellant
- Logistics: 20 Rounds Per Box | Federal American Eagle Series
- Dimensions: .223 Rem Geometry | Standard Rifle / AR-15 Platform Configuration | SKU: AE223JX
- Application: Target Practice, Tactical Carbine Qualification, High-Volume Drills, and Range Training
- Standards: SAAMI Compliant | Factory Precision Rifle Quality Benchmarks
Source Federal American Eagle .223 Rem 55gr FMJ-BT from SMKW to maintain consistent training performance with verified lot control and dependable supply for high-volume shooting cycles.
