.450-400 Nitro (Nitro Express)

Professionally Reviewed by:

Nathaniel Boos

Nathaniel Boos

Nathaniel Boos is a lifelong firearms enthusiast and shooter, renowned for his experience as a long-range shooter, ammunition importer/exporter, and firearms manufacturer. With years of hands-on experience, he is a trusted authority in the ammunition and firearms industry.

Credentials:

  • 2x Team Safari Competitor
  • KRG Training Level 1, 2, and Force on Force CQB certified
  • Licensed Texas Conceal Carry Holder
  • Kranz Firearms Training Group Advanced Carbine Certified

.450-400 Nitro Express: At a Glance

Key Characteristics
Firearm Type Double Rifle
Primer Type Large Rifle
Used For Big Game Hunting, Dangerous Game
Case Design Rimmed, Straight
Year Introduced 1899

.450-400 Nitro Express: Pros and Cons

Pros

  • Excellent stopping power for large game
  • Moderate recoil compared to larger Nitro Express cartridges
  • Versatile for various African game species
  • Good balance of power and manageability
  • Historic prestige and proven track record

Cons

  • Limited availability of ammunition
  • Expensive to purchase and reload
  • Heavy rifles typically required
  • Not suitable for long-range shooting
  • Overpowered for most non-dangerous game hunting

.450-400 Nitro Express: A Comprehensive Overview

The .450-400 Nitro Express is a powerful big game hunting cartridge developed in the late 19th century. It was designed to provide adequate stopping power for large and dangerous game in Africa and India. This cartridge is known for its effectiveness against thick-skinned animals like elephants and rhinoceros, while still offering manageable recoil for its class.

History and Development

The .450-400 Nitro Express was developed in 1899 by W.J. Jeffery & Co. It was created as a more powerful version of the earlier .450-400 Black Powder Express, utilizing cordite propellant to achieve higher velocities and energy. The cartridge was designed to be used in double rifles, which were popular among big game hunters of the era.

The .450-400 Nitro Express quickly gained popularity among professional hunters and sportsmen due to its excellent balance of power and manageable recoil. It was particularly favored in India for tiger hunting, where its flat trajectory and hard-hitting characteristics made it highly effective in dense jungle environments.

Throughout the early 20th century, the .450-400 Nitro Express remained a staple cartridge for dangerous game hunting. Its reputation for reliability and stopping power ensured its continued use even as newer cartridges were introduced. The cartridge's effectiveness led to its adoption by several colonial administrations for use by game wardens and professional hunters.

In modern times, the .450-400 Nitro Express has experienced a resurgence in popularity among traditional hunting enthusiasts and collectors. While no longer as widely used as it once was, the cartridge continues to be produced by specialty ammunition manufacturers, ensuring its availability for those who appreciate its historical significance and proven performance.

Cartridge Specifications

The .450-400 Nitro Express uses a rimmed, straight-walled case with a length of 3 inches (76mm). It typically fires a .410-inch (10.4mm) diameter bullet weighing between 300 and 400 grains. The standard loading propels a 400-grain bullet at a muzzle velocity of 2,150 feet per second (655 m/s), generating approximately 4,100 ft-lbs (5,559 J) of muzzle energy.

The cartridge's moderate velocity combined with its heavy bullet weight results in deep penetration and substantial tissue disruption, making it highly effective against large, thick-skinned game animals. The relatively low velocity also contributes to the cartridge's reputation for moderate recoil compared to other big bore nitro express cartridges.

Timeline of .450-400 Nitro Express Development:

Year Event
2000s Resurgence in popularity among traditional hunting enthusiasts and collectors.
1950s Decline in use due to the introduction of newer cartridges and changing hunting regulations.
1920s Widespread adoption by colonial game wardens and professional hunters in Africa and India.
1900 Gains popularity among big game hunters in Africa and India.
1899 Introduction of the .450-400 Nitro Express by W.J. Jeffery & Co.

.450-400 Nitro Express Performance

The .450-400 Nitro Express offers substantial performance for big game hunting. Here's a breakdown of its key performance characteristics:

Characteristic Performance
Bullet Weight 400 grains
Standard loading
Muzzle Velocity 2,150 fps (655 m/s)
With standard 400-grain bullet
Muzzle Energy 4,100 ft-lbs (5,559 J)
Sufficient for largest game animals
Effective Range Up to 200 yards (183 meters)
Optimal for dangerous game hunting distances
Recoil Moderate for its class
More manageable than larger nitro express cartridges

Bullet Weight vs. Muzzle Velocity

This chart shows how bullet weight affects muzzle velocity for common .450-400 Nitro Express loads.

Note: These values are based on standard factory loads. Actual velocities may vary based on specific loads and barrel length.

.450-400 Nitro (Nitro Express): Effective Range for Different Applications

This table provides estimated effective ranges for .450-400 Nitro (Nitro Express) ammunition in various applications. Ranges are based on typical bullet weights and velocities.

Application Effective Range (yards) Notes
Big Game Hunting 0-200 Ideal for large, non-dangerous game in dense cover
Dangerous Game 0-100 Effective for close-range encounters with dangerous African game
Target Shooting 0-300 Limited use in long-range target shooting due to trajectory

Note: Effective ranges can vary based on factors such as bullet selection, shooter skill, and specific firearm characteristics. The .450-400 Nitro (Nitro Express) is primarily designed for big game hunting at relatively close ranges. Always prioritize safety and adhere to local laws and regulations.

Applications for .450-400 Nitro (Nitro Express)

The .450-400 Nitro (Nitro Express) is a specialized cartridge designed primarily for big game hunting:

Big Game Hunting
  • Excellent for large, non-dangerous game such as elk and moose
  • Provides deep penetration and substantial knockdown power
  • Effective at ranges up to 200 yards for skilled hunters
Dangerous Game Hunting
  • Suitable for dangerous African game like lion and leopard
  • Offers reliable stopping power at close ranges
  • Used as a lighter alternative to larger Nitro Express cartridges
Vintage and Classic Firearms
  • Popular among collectors and enthusiasts of classic double rifles
  • Used in reproductions of historical hunting rifles
  • Maintains relevance in modern African hunting safaris

Caliber Comparisons: .450-400 Nitro (Nitro Express)

The .450-400 Nitro Express is a powerful big game hunting cartridge. To understand its capabilities, let's compare it to similar large-bore cartridges:

.450-400 Nitro Express vs. .450 Nitro Express ▼

.450-400 Nitro Express vs. .375 H&H Magnum ▼

.450-400 Nitro Express vs. .416 Rigby ▼

Recoil Energy Comparison

Compare the estimated recoil energy of .450-400 Nitro Express with other large-bore rifle cartridges. (Based on a 10 lb rifle)

Note: Recoil energy can vary based on specific loads, firearm weight, and other factors. These values are estimates for comparison purposes.

Ballistic Trajectory Comparison

This chart compares the ballistic trajectory (bullet drop) of .450-400 Nitro Express with other large-bore rifle cartridges over distance.

Note: Trajectories are calculated for a 100-yard zero. Actual results may vary based on specific loads, atmospheric conditions, and firearm characteristics.

Wind Drift Comparison

This chart compares the wind drift of .450-400 Nitro Express with other large-bore rifle cartridges in a 10 mph crosswind.

Note: Wind drift is calculated for a 10 mph full-value crosswind. Actual results may vary based on specific loads, atmospheric conditions, and firearm characteristics.

Energy Retention Comparison

This chart compares the energy retention of .450-400 Nitro Express with other large-bore rifle cartridges over distance.

Note: Energy values are calculated based on typical bullet weights and velocities for each cartridge. Actual results may vary based on specific loads and environmental conditions.

Sectional Density of .450-400 Nitro Express

The .450-400 Nitro Express is a powerful big game hunting cartridge. This table shows the sectional density for common bullet weights used in this caliber.

Cartridge Bullet Weight (gr) Sectional Density
.450-400 Nitro Express 400 0.257
.450-400 Nitro Express 360 0.231
.450-400 Nitro Express 300 0.193

Note: The .450-400 Nitro Express was developed for hunting large and dangerous game. Its high sectional density contributes to deep penetration, which is crucial for taking down large animals. The cartridge is known for its stopping power and is still used in some African hunting situations.

Frequently Asked Questions:

Q: What is the .450-400 Nitro Express cartridge?

A: The .450-400 Nitro Express is a large bore rifle cartridge developed in the late 19th century. It was designed for hunting large and dangerous game in Africa and India. The cartridge is based on the .450-400 Black Powder Express, but uses smokeless powder for improved performance.

Q: What are the typical bullet weights for the .450-400 Nitro Express?

A: The .450-400 Nitro Express typically uses bullets weighing between 300 and 400 grains. The most common bullet weight is 400 grains, which gives the cartridge its name.

Q: What is the muzzle velocity of the .450-400 Nitro Express?

A: The muzzle velocity of the .450-400 Nitro Express with a 400-grain bullet is approximately 2,150 feet per second (655 m/s).

Q: What types of firearms are chambered for the .450-400 Nitro Express?

A: The .450-400 Nitro Express is primarily chambered in double rifles and single-shot rifles. These are typically high-end, custom-made firearms designed for big game hunting.

Q: Is the .450-400 Nitro Express still in use today?

A: While not as common as it once was, the .450-400 Nitro Express is still used by some hunters and collectors. It remains popular among enthusiasts of classic African hunting cartridges and is still produced by some ammunition manufacturers.