Bullet Type: Full Metal Jacket
Casing: AAC Brass-Boxer Primed, Fully Reloadable
Caliber: 5.56 NATO
Bullet Weight: 62gr
Velocity: 3025 FPS
The 5.56 62 Grain FMJ Ammunition from AAC delivers superior performance when you need it most.
Designed for use in a variety of applications and manufactured through AAC's advanced research, design, and engineering process with state-of-the-art, quality machines, and materials.
Rigorously refined by AAC through multiple quality control checkpoints from conception to production. AAC Components make projectiles for the shooter who values attention to detail, quality, and advanced reliability.
Accurate and reliable.
American Made in beautiful Columbia, SC.
The AAC 5.56 round, officially designated as the 5.56×45mm NATO, has a history that’s closely intertwined with the development of modern military rifles and tactics. Here’s a brief overview:
- Origins in the .223 Remington: The 5.56 NATO’s history began in the late 1950s with the development of the .223 Remington cartridge. This was initiated as part of an effort to create a small-caliber, high-velocity (SCHV) firearm round. The goal was to produce a lighter round that soldiers could carry in greater quantities and that would be suitable for automatic rifles.
- Adoption and Adaptation for Military Use: The American military, interested in the SCHV concept, adapted the .223 Remington into the 5.56×45mm cartridge. This adaptation was mainly driven by the development of the AR-15 rifle, which would later become the M16. The 5.56mm round was seen as an effective compromise between the heavier 7.62mm round used in traditional battle rifles and the lighter .223.
- NATO Standardization: In 1980, the 5.56×45mm round was standardized by NATO. The decision to standardize this round was influenced by its effectiveness demonstrated in the Vietnam War, where it was used extensively by the U.S. military. The standardization meant that rifles and ammunition could be interoperable among NATO forces.
- Evolution and Variants: Over the years, the 5.56 NATO round has seen several modifications to enhance its performance, including changes in bullet weight, powder load, and design. Variants like the M855A1 have been developed to improve penetration and consistency.
- Contemporary Use and Debate: The 5.56 NATO round remains a standard cartridge for NATO forces and has been widely adopted by militaries and law enforcement agencies around the world. Despite its widespread use, there has been ongoing debate about its effectiveness, particularly in terms of long-range performance and stopping power compared to larger rounds like the 7.62mm.
The 5.56 NATO round’s development reflects ongoing advancements in military technology and tactics, balancing the needs for lightweight ammunition with the requirements of modern combat.