Winchester USA 5.56x45mm NATO 55gr FMJ Ammo - 20rd Box

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Description

The Winchester USA 5.56x45mm NATO 55gr Full Metal Jacket ammunition delivers consistent performance for training and target shooting applications. This military-specification round features Winchester's proven manufacturing quality with reliable ignition and consistent velocities across temperature ranges.

What Makes This Different

Winchester's USA line ammunition meets NATO specifications for 5.56x45mm cartridges, ensuring proper function in both 5.56 NATO and .223 Remington chambers. The 55-grain full metal jacket projectile maintains velocity and trajectory consistency shot after shot. Lake City brass cases provide reliable extraction and ejection, while the non-corrosive primer system extends barrel life compared to military surplus alternatives.

Key Features

55-grain full metal jacket bullet for consistent ballistic performance
NATO-specification powder charge delivering 3,240 fps muzzle velocity
Lake City brass cases with boxer primers for reliable cycling
Non-corrosive primer system protects barrel and chamber components
Compatible with 5.56 NATO and .223 Remington chambered firearms
20-round boxes packaged in 50-case quantities for bulk purchases
Manufactured to SAAMI and NATO pressure specifications

Range sessions and training exercises benefit from the consistent point of impact this ammunition provides. The full metal jacket construction penetrates standard paper and cardboard targets cleanly without excessive fragmentation. Military and law enforcement agencies rely on Winchester USA ammunition for qualification courses and training protocols. The brass cases reload reliably for handloaders seeking to extend their ammunition budget.

Technical Specs

Caliber: 5.56x45mm NATO
Bullet Weight: 55 grains
Bullet Type: Full Metal Jacket (FMJ)
Muzzle Velocity: 3,240 feet per second
Muzzle Energy: 1,282 foot-pounds
Case Material: Lake City brass
Primer: Non-corrosive boxer
Packaging: 20 rounds per box, 50 boxes per case
Country of Origin: United States

Professional shooters and training facilities choose Winchester USA ammunition for its reliability and consistent performance characteristics. The bulk case packaging reduces per-round costs while maintaining the quality standards expected from Winchester's century of ammunition manufacturing experience.