Lake City 50 BMG linked ammunition

The Ultimate Guide to 50 BMG Ammo: Everything You Need to Know

When it comes to sheer power and performance, few cartridges can rival the .50 BMG (Browning Machine Gun) ammunition. Developed for use in heavy machine guns, the .50 BMG has also Kyle shooting a Barrett 50 BMG Rifle gained popularity among civilian shooters for long-range target shooting and extreme precision. In this comprehensive guide, we will explore everything you need to know about 50 BMG ammo, from its history and specifications to its applications and popular brands. Whether you’re a seasoned shooter or a curious enthusiast, this article will provide valuable insights into the world of 50 BMG ammunition.

A Brief History of .50 BMG Ammo:

The .50 BMG (Browning Machine Gun) ammunition has a rich and fascinating history that traces its origins back to the early 20th century. Developed by renowned firearms designer John Image of various 50 BMG catridges Browning, the .50 BMG cartridge was specifically created to meet the demands of modern warfare and heavy machine guns.

The story of the .50 BMG begins in the late 1910s when Browning was approached by the United States military, which sought a cartridge capable of effectively engaging armored vehicles and providing long-range firepower. Browning, known for his innovative designs, set out to create a round that would fulfill these requirements.

After careful experimentation and refinement, Browning introduced the .50 BMG cartridge in 1921. The cartridge featured a large, heavy bullet with a diameter of .50 inches (hence the name), propelled by a powerful charge of powder. The design combined elements of earlier heavy machine gun rounds with Browning’s own improvements, resulting in a highly effective and versatile ammunition.

The .50 BMG gained significant attention and quickly became the ammunition of choice for heavy machine guns in various armed forces around the world. Its immense power, combined with its long-range capabilities and armor-piercing potential, made it an ideal choice for anti-materiel and anti-aircraft applications.

During World War II, the .50 BMG ammunition played a crucial role on the battlefield. It was employed in a wide range of scenarios, from anti-aircraft defenses and ground-based machine guns to mounted weapons on tanks and armored vehicles. The cartridge’s ability to penetrate thick armor and effectively neutralize enemy targets made it an invaluable asset for allied forces.

Following the war, the .50 BMG found its way into the civilian market, capturing the interest of firearms enthusiasts, long-range shooters, and collectors alike. Its reputation as a formidable and iconic cartridge, capable of delivering unmatched power and precision at extended distances, cemented its place in shooting sports and recreational shooting.

Over the years, advancements in bullet design and propellants have further enhanced the capabilities of the .50 BMG ammunition. Specialized variants, such as armor-piercing incendiary (API) and match-grade rounds, have been developed to meet specific requirements, catering to different shooting disciplines and applications.

Today, the .50 BMG remains a symbol of raw power and unparalleled long-range performance. It continues to be used in military and law enforcement operations for anti-materiel purposes, as well as in civilian circles for long-range target shooting, hunting, and competitive shooting events. Its enduring legacy as a reliable and devastating cartridge ensures that the .50 BMG will continue to make an impact on the shooting world for years to come.

Specifications and Ballistics:

The .50 BMG (Browning Machine Gun) ammunition is known for its impressive specifications and ballistics. Here are some key details:

Cartridge Dimensions:

  • Bullet Diameter: .510 inches (12.95 mm)
  • Case Length: 3.91 inches (99.3 mm)
  • Overall Length: 5.45 inches (138.4 mm)

Bullet Weight and Types:

Typical Bullet Weight: 647 to 750 grains (41.9 to 48.6 grams)

  • Various bullet types are available, including full metal jacket (FMJ), armor-piercing (AP), armor-piercing incendiary (API), and match-grade bullets.

Muzzle Velocity and Energy:

  • Muzzle Velocity: Around 2,800 to 3,000 feet per second (853 to 914 meters per second)
  • Muzzle Energy: Approximately 12,000 to 15,000 foot-pounds (16,270 to 20,339 joules)

Effective Range and Penetration:

  • Effective Range: The .50 BMG is capable of engaging targets effectively at ranges exceeding 1,500 yards (1,370 meters). However, in skilled hands and with the right equipment, targets can be engaged at much longer distances.
  • Penetration: The high muzzle energy and bullet construction of the .50 BMG allow it to penetrate various materials, including thick armor, vehicles and concrete barriers.

Ballistic Coefficients (BC):

  • The .50 BMG typically has a high ballistic coefficient due to the heavy bullet and streamlined designs available. Specific BC values depend on the bullet type and manufacturer. PMC Ammo – 50 BMG – 660 Grain – FMJBT has a ballistic coefficient of 0.701, Magtech 50 BMG 656 Grain has a ballistic coefficient of 0.663.


The .50 BMG generates substantial recoil due to the cartridge’s large size and power. Firearms chambered in .50 BMG often incorporate effective recoil mitigation systems to improve shooter comfort and accuracy.

Applications and Uses:

Military and Law Enforcement: The .50 BMG cartridge is primarily used by military and law enforcement agencies for long-range anti-materiel and anti-personnel purposes. It can be employed in heavy machine guns mounted on vehicles, aircraft, or naval vessels to engage targets such as enemy personnel, light armored vehicles, and equipment.

Long-Range Precision Shooting: The .50 BMG is highly regarded in the field of long-range precision shooting. It offers exceptional accuracy and an extended effective range, making it suitable for engaging targets at distances well over a mile. It is commonly used in competitive shooting events, including extreme long-range competitions.

Hunting: While not as common as other hunting calibers, the .50 BMG has been used for hunting large and dangerous game, such as elephants or buffalo, where its significant power and penetration can be advantageous.

Recreational Shooting: Some firearms enthusiasts enjoy shooting .50 BMG rifles for recreational purposes. The experience of shooting such a powerful cartridge and the challenge of hitting targets at extreme distances can be a thrilling and rewarding endeavor for many.

Armor-Piercing and Demolition: The .50 BMG cartridge offers armor-piercing capabilities and is used in specialized applications where penetrating heavy armor or concrete structures is required. It can be employed by military and specialized units for destroying or neutralizing targets that are heavily fortified.

Popular Brands and Ammunition Options:

  • The most popular brands of 50 BMG we sell are Magtech and PMC. Click here to shop all 50 BMG ammo we offer.
  • Different bullet types, including full metal jacket (FMJ), armor-piercing incendiary (API), and match-grade rounds. PMC X-Tac 50 BMG, 740 Grain, Full Metal Jacket Solid Brass, 10 Round Box

Which is better; bolt-action or semi-auto for a 50 BMG rifle?

The choice between a bolt action or a semi-automatic rifle for .50 BMG ammunition depends on the specific purpose and preferences of the shooter. Both types have their advantages and considerations:

Bolt Action:

  1. Accuracy: Bolt action rifles are generally known for their exceptional accuracy due to the precise lockup and consistent barrel alignment. This can be advantageous for long-range shooting and precision applications.
  2. Reliability: Bolt action rifles are typically simpler in design and have fewer moving parts compared to semi-automatic rifles. This simplicity often results in increased reliability and ease of maintenance.
  3. Recoil Management: The recoil produced by .50 BMG ammunition is significant, and bolt action rifles tend to have a longer action and heavier construction, which can help absorb some of the recoil energy. This can contribute to improved stability and reduced felt recoil.
  4. Cost: Bolt action rifles chambered in .50 BMG are generally less expensive compared to semi-automatic counterparts. This is due to the complexity and additional components required for semi-automatic operation.


  1. Rate of Fire: Semi-automatic rifles allow for a faster rate of fire compared to bolt action rifles, as they automatically cycle and load the next round without the need to manually operate the bolt. This can be advantageous in scenarios that require rapid follow-up shots or engaging multiple targets.
  2. Practicality: Semi-automatic rifles offer greater practicality and convenience in certain applications, such as tactical or self-defense situations, where quick and repeated engagements may be required.
  3. Ergonomics: Semi-automatic rifles often have more ergonomic features, such as adjustable stocks, pistol grips, and accessory rails, which can enhance comfort and customization options for the shooter.
  4. Versatility: Semi-automatic rifles offer the ability to utilize detachable magazines, allowing for easier and quicker reloads compared to manually feeding rounds into a bolt action rifle. This can be beneficial in various shooting scenarios.

Ultimately, the choice between a bolt action and a semi-automatic rifle for .50 BMG depends on factors such as the intended purpose (long-range precision shooting, hunting, recreational shooting, etc.), personal preferences, shooting style, and budget. It is recommended to try out both types if possible and consider factors such as accuracy requirements, rate of fire needs, and individual shooting capabilities before making a decision.


The .50 BMG ammunition is an iconic and formidable cartridge, known for its power, range, and versatility. Whether you’re a competitive shooter, a long-range enthusiast, or interested in its historical significance, the 50 BMG offers a unique shooting experience. By understanding its history, specifications, applications, and available options, you can make informed decisions when selecting and using this impressive ammunition. Remember to always adhere to local laws, prioritize safety, and enjoy the exhilarating experience of shooting the mighty .50 BMG.

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