BULK 5.56x45mm – 55 Grain FMJ – PMC (5.56X) – 1000 Rounds

Original price was: $1,039.Current price is: $965.

5.56x45 ammo is available from 55 to 77 grain bullet weights. Lucky Gunner Logo LuckyGunner.com.





The 5.56×45 ammo, also known as the .223 Remington, is a type of cartridge that is widely used in firearms for hunting, self-defense, and target shooting. This ammunition has become increasingly popular among gun enthusiasts due to its versatility and accuracy, making it a reliable option for a variety of applications.

In this article, we will explore the history of 5.56×45 ammo, its uses, and top brands available on the market today.

History of 5.56×45 ammo:

The 5.56×45 ammo was developed in the 1950s as a replacement for the 7.62×51 NATO cartridge. It was originally designed for use in the M16 rifle, which was introduced to the US military in 1964 during the Vietnam War.

The 5.56×45 cartridge was developed with the intention of providing a lightweight, high-velocity round that could penetrate body armor at close range. This ammunition also had the added benefit of being able to carry more rounds than the larger and heavier 7.62×51 NATO cartridge.

The British had extensive evidence through their own experimentation with intermediate cartridges since 1945, and were on the point of adopting the .280 (7 mm) cartridge when the selection of 7.62×51mm (.300) as the NATO standard was made. The FN company had also been involved in the development of the .280 round, including developing a version of the FN FAL in .280. Concerns about the recoil and overall effectiveness of 7.62 mm were overruled by the US, and the other NATO nations accepted that standardization was more important than the selection of a cartridge that was otherwise ideal.

Uses of 5.56×45 ammo:

The 5.56×45 ammo is used in a variety of applications, including hunting, self-defense, and target shooting. It is a popular choice for hunters due to its accuracy and versatility, and is often used for hunting small to medium-sized game.

For self-defense, the 5.56×45 cartridge is a reliable option due to its high velocity and ability to penetrate body armor at close range. It is commonly used by law enforcement and military personnel, as well as by civilians for home defense.

In addition to its hunting and self-defense applications, the 5.56×45 ammo is also popular among target shooters due to its accuracy and consistency. Many shooters prefer this cartridge for long-range shooting, as it is able to maintain a flat trajectory over a greater distance than other types of ammunition.

Top Brands of 5.56×45 Ammo

  1. Federal Premium: Federal Premium is one of the leading manufacturers of 5.56×45 ammo. They offer a wide range of options, including the popular XM193 and XM855 rounds.
  2. Hornady: Hornady is another top brand of 5.56×45 ammo. They are known for their high-quality rounds, including the TAP and Frontier lines.
  3. Winchester: Winchester is a well-known name in the firearms industry, and their 5.56×45 ammo is no exception. Their USA Ready line is a popular choice among shooters.



Q: What is the difference between 5.56×45 and .223 ammo? A: While 5.56×45 and .223 ammo may look similar, there are some differences in the way they are designed. The 5.56×45 cartridge has a higher pressure and a longer throat, allowing it to handle higher velocities and heavier bullets. It is generally safe to use .223 ammo in a rifle chambered for 5.56×45, but it may not be safe to use 5.56×45 ammo in a rifle chambered for .223.

Q: Is 5.56×45 ammo legal to own? A: Yes, 5.56×45 ammo is legal to own in most states in the US. However, it is important to check with your local laws and regulations before purchasing or using any type of ammunition.

Q: What is the effective range of 5.56×45 ammo? A: The effective range of 5.56×45 ammo varies depending on the type of firearm and other factors such as barrel length and bullet weight. Generally, the effective range for hunting is up to 300 yards, while the effective range for target shooting can be up to 600 yards or more.

Q: Can I reload 5.56×45 ammo? A: Yes, 5.56×45 ammo can be reloaded, but it is important to follow proper reloading procedures and safety precautions. Reloading can be a cost-effective option for shooters who use a lot of ammunition, but it should only be attempted by those with experience and proper equipment.

The 5.56×45 ammo is a versatile and reliable cartridge that is popular among gun enthusiasts for its accuracy and consistency. It has a rich history, having been developed as a replacement for the larger 7.62×51 NATO cartridge in the 1950s. Today, top brands such as Federal Premium, Hornady, and Winchester produce high-quality 5.56×45 ammo that is used for hunting, self-defense, and target shooting.

Whether you are a hunter, law enforcement officer, or avid shooter, the 5.56×45 ammo is a reliable and effective choice for a variety of applications. With its high velocity, flat trajectory, and ability to penetrate body armor, it is no wonder that this cartridge has become a favorite among gun enthusiasts around the world.


If you are considering purchasing 5.56x45mm ammo, it is important to ensure that you are purchasing from a reputable source and that you are selecting the right type of ammo for your needs. It is also important to store your ammo in a safe and secure location, away from heat, moisture, and other potential hazards.

Overall, the 5.56×45 ammo is an excellent choice for anyone who wants a reliable and effective cartridge for hunting, self-defense, or target shooting. With its high velocity, flat trajectory, and ability to penetrate body armor, it is no wonder that it has become such a popular choice among gun enthusiasts. Whether you are a seasoned veteran or a beginner shooter, the 5.56×45 nato ammo is definitely worth considering for your next purchase.



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Package Contents:

BULK 5.56x45mm – 55 Grain FMJ – PMC (5.56X) – 1000 Rounds



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