5.56 Ammo

Order 5.56 ammo direct from Palmetto State Armory. We offer ammo from the best brands at the best prices for your AR-15. Save even more by ordering 556 bulk ammo.

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Learn More about 5.56 Ammo

History of 5.56mm Ammo

The 5.56mm ammo round was developed in the late 1950s by the U.S. Army to meet the military’s need for a smaller, lighter, and more versatile cartridge than the heavier .30 caliber rounds previously used. Designed to enhance a soldier’s ability to carry more ammunition without sacrificing firepower, it was officially adopted by NATO in 1980 as a standard military cartridge, cementing its role in modern warfare. Originally paired with the M16 rifle, the 5.56mm round’s high velocity and light recoil allowed for rapid, accurate fire, making it a popular choice in military applications and among civilian shooters for hunting, sport shooting, and self-defense.

Practical Applications of 5.56mm Ammo

The 5.56mm cartridge is incredibly versatile, making it suitable for various non-military applications like recreational target shooting, home defense, and varmint hunting. Its lightweight design enables quick follow-up shots, which is particularly useful for fast-moving targets like coyotes or wild hogs, while its mild recoil makes it accessible to shooters of all experience levels. For home defense, 5.56mm ammo is widely used in AR-15 platforms due to its speed and fragmentation upon impact, minimizing over-penetration in close quarters. This versatility, combined with reliability, makes the 5.56mm a go-to round for various shooting needs.

5.56mm Ammo Accuracy

The 5.56mm round is renowned for its accuracy, especially in precision rifles like the AR-15. Its high velocity, typically between 2,800 and 3,100 feet per second, ensures a flat trajectory, leading to better accuracy over medium to long distances. The boat-tail bullet design improves aerodynamic performance, reducing drag and maintaining trajectory over extended ranges. While it excels at ranges under 300 yards, it remains effective to 500 yards with the right marksmanship. Additionally, the variety of bullet weights available, from 55 to 77 grains, allows shooters to customize their experience for short or long-range precision shooting.

Ballistics of 5.56mm Ammo

The ballistic performance of the 5.56mm is a critical factor in its widespread use. Its high velocity allows for long-distance shooting with minimal drop, making it suitable for both military and civilian applications where accuracy and stopping power are critical. Upon impact, the 5.56mm often fragments, causing significant internal damage and making it particularly effective in self-defense or combat situations. Its penetration capabilities allow it to pass through light barriers while maintaining effectiveness. However, after about 500 yards, the round loses velocity, reducing its stopping power at longer ranges. Despite this, its overall ballistic performance makes it a highly versatile round for various scenarios.

Affordability of 5.56mm Ammo

One of the key reasons for its popularity is its affordability compared to other centerfire cartridges. Mass production for military and civilian markets has kept costs low, making it an attractive option for shooters looking to practice without breaking the bank. Compared to larger cartridges like the .308 Winchester or 6.5mm Creedmoor, 5.56mm rounds are significantly less expensive, allowing for more practice time and improved shooting skills. Additionally, the availability of surplus military ammunition at lower prices further contributes to its cost-effectiveness, making it a popular choice among budget-conscious shooters.

Why Buy 5.56 Ammo from Palmetto State Armory

Palmetto State Armory offers high-quality 5.56 ammo at competitive prices, making it the go-to source for reliable ammunition. With a wide selection and fast shipping, Palmetto State Armory ensures you get the best ammo for all your shooting needs.