The two most common cartridges in this caliber are the .338 Rum and the .338 Lapua. Both of these cartridges offer excellent performance and accuracy at long ranges, but they have some distinct differences that make them suitable for different applications. The .338 Rum is a relatively new round that is based on the .300 Remington Ultra Magnum case, and is capable of reaching velocities of up to 3,000 feet per second.
The .338 Lapua is a much older round, and is based on the .308 Winchester case. It is capable of reaching velocities of up to 3,400 feet per second, making it the faster of the two rounds. Both cartridges offer excellent accuracy and performance, but the .338 Lapua has a slight edge in terms of velocity and energy.
Depending on the application, either the .338 Rum or the .338 Lapua may be the better choice.
338 rum vs 338 lapua: What’s the Difference?
1. Introduction
They both share the same .338 caliber bullet, but their case designs and performance characteristics differ significantly. This article will discuss the differences between the two cartridges, their advantages and disadvantages, and which one is better suited for different applications. We will also discuss the history of the two cartridges and their use in the military and civilian shooting sports.
Finally, we will discuss the cost, availability, and reloading components for both cartridges.
2. History
The .338 Lapua Magnum was developed in the 1980s by the Finnish firearms manufacturer Lapua. It was designed as an anti-personnel and anti-materiel round for long-range sniping and target shooting. The .338 Lapua Magnum is a powerful and accurate cartridge, capable of delivering consistent accuracy and performance at extended ranges.The .338 Remington Ultra Magnum (338 RUM) was introduced in 2000 by Remington Arms.
It is a very powerful cartridge, designed for long-range hunting. The .338 RUM is capable of delivering higher muzzle velocities and flatter trajectories than the .338 Lapua Magnum, making it a great choice for long-range shooting.The .338 Lapua Magnum is a popular choice among military and law enforcement personnel, due to its accuracy and performance at extended ranges.
It is also a popular cartridge for long-range target shooting and hunting. The .338 RUM is a great choice for long-range hunting, due to its higher muzzle velocities and flatter trajectories.
3. Cartridge Design
The 338 Rum was designed in 1995 by Remington as a hunting cartridge, while the 338 Lapua was designed in 1988 by Lapua as a long-range target and sniper cartridge. Both are based on the .338 Winchester Magnum case, but the 338 Lapua has a longer case and a larger powder capacity, which allows it to generate higher velocities. The 338 Rum has a maximum pressure of 65,000 psi and a maximum velocity of 3,000 feet per second.
It is typically loaded with a 200-grain bullet. The 338 Lapua has a maximum pressure of 65,000 psi and a maximum velocity of 3,250 feet per second. It is typically loaded with a 250-grain bullet.
The 338 Rum is well-suited for hunting large game at medium to long range, while the 338 Lapua is designed for long-range target shooting and sniper applications. Both cartridges offer excellent accuracy and terminal performance.
4. Ballistics
Ballistics is the science of projectiles and their motion through the air. When comparing two cartridges, like the 338 Rum and 338 Lapua, ballistics is used to compare the performance of the two. The 338 Lapua is a larger cartridge and is capable of firing a heavier bullet at a higher velocity than the 338 Rum. The 338 Lapua has a greater potential for accuracy and range than the 338 Rum, and is used in long range shooting.
The 338 Rum is a smaller cartridge, which is capable of firing a lighter bullet at a lower velocity than the 338 Lapua. The 338 Rum is used for hunting and short range shooting. Both cartridges are capable of producing excellent accuracy and performance, depending on the application.
5. Application
The 338 Lapua and 338 Rum cartridges are two of the most powerful rifle rounds available on the market today. Both cartridges are designed for long-range shooting and hunting applications, and are capable of taking down large game. However, there are some key differences between the two cartridges that should be considered when choosing which one is right for your application.
The 338 Lapua is a larger and more powerful cartridge than the 338 Rum. It has a higher velocity, and is capable of launching heavier bullets at longer distances. This makes it better suited for long-range shooting and hunting applications.
The 338 Lapua also has a higher recoil, which can be a concern for some shooters.The 338 Rum is a smaller and less powerful cartridge than the 338 Lapua. It has a lower velocity, and is better suited for medium-range shooting and hunting applications.
The 338 Rum also has a lower recoil, which makes it easier to shoot and handle.When choosing between the two cartridges, it is important to consider the type of application you are looking for. If you are looking for a long-range shooting or hunting cartridge, the 338 Lapua is the better option.
If you are looking for a medium-range shooting or hunting cartridge, the 338 Rum is the better option.
6. Conclusion
The conclusion on the topic of 338 rum vs 338 Lapua is that both cartridges are excellent choices for long-range shooting. The 338 Lapua is the more powerful of the two and is capable of reaching targets out to 2000 yards. The 338 Rum is a great choice for hunting and has a slightly shorter effective range. Both cartridges offer excellent accuracy and are extremely versatile, making them ideal for a variety of shooting applications.
Ultimately, it comes down to personal preference and the intended use of the firearm.
Similarities
Both cartridges are based on the .308 Winchester case and are capable of firing bullets up to 250 grains. However, there are some key differences between the two cartridges.The 338 Rum has a shorter case length and a shorter overall length than the 338 Lapua.
This makes it more suitable for use in short-action rifles. The 338 Lapua is designed for use in long-action rifles and has a longer case length and overall length.The 338 Rum has a maximum pressure of 65,000 psi, while the 338 Lapua has a maximum pressure of 82,000 psi.
This allows the 338 Lapua to generate higher velocities and greater energy than the 338 Rum.The 338 Lapua also has a much higher ballistic coefficient than the 338 Rum, which makes it more suitable for long-range shooting.Overall, the 338 Rum and 338 Lapua are similar in many ways, but there are some key differences between the two cartridges.
The 338 Lapua is designed for long-range shooting and has a higher pressure and ballistic coefficient than the 338 Rum. The 338 Rum is better suited for short-action rifles and has a lower pressure and ballistic coefficient.
338 Remington Ultra Mag Results Explained
Frequently Asked Questions
1. What are the primary differences between the 338 rum and 338 lapua?
• The 338 Rum is a Remington Ultra Magnum cartridge, while the 338 Lapua is a Finnish cartridge.
• The 338 Rum has a maximum pressure of 65,000 psi, while the 338 Lapua has a maximum pressure of 62,366 psi.
• The 338 Rum has a maximum case length of 2.850 inches, while the 338 Lapua has a maximum case length of 2.935 inches.
• The 338 Rum has a maximum bullet diameter of 0.338 inches, while the 338 Lapua has a maximum bullet diameter of 0.338 inches.
• The 338 Rum has a maximum velocity of 3,200 feet per second, while the 338 Lapua has a maximum velocity of 3,000 feet per second.
• The 338 Rum has a maximum effective range of 1,000 yards, while the 338 Lapua has a maximum effective range of 1,500 yards.
2. What are the advantages of using the 338 rum over the 338 lapua?
It is a shorter and lighter round than the 338 Lapua, making it easier to carry and handle. The 338 Rum is also less expensive than the 338 Lapua, making it more accessible to shooters.The 338 Rum has a flatter trajectory than the 338 Lapua, making it easier to hit targets at longer ranges.
The 338 Rum also has a higher velocity than the 338 Lapua, making it more effective for long-range shooting. The 338 Rum also has a shorter barrel life than the 338 Lapua, making it more suitable for shorter shooting sessions.The 338 Rum is also more forgiving than the 338 Lapua, making it easier to shoot accurately.
The 338 Rum is also more versatile than the 338 Lapua, allowing shooters to use a variety of bullet weights and types. Finally, the 338 Rum is easier to reload than the 338 Lapua, making it more cost-effective for shooters who reload their own ammunition.
3. What type of hunting or shooting activities is the 338 rum better suited for than the 338 lapua?
The 338 Rum is better suited for hunting large game such as moose, elk, and bear, as well as long-range shooting activities such as target shooting and tactical shooting.
The 338 Lapua is better suited for long-range shooting activities such as target shooting and tactical shooting. The 338 Lapua is also better suited for precision shooting at extended ranges due to its higher velocity and flatter trajectory. The 338 Rum is not as suitable for precision shooting at extended ranges due to its lower velocity and less flat trajectory.
Final Words For 338 rum vs 338 lapua
The 338 Lapua is a much more powerful round than the 338 Rum, and is more suitable for long-range shooting and hunting large game.
The 338 Rum is more suitable for hunting medium to large game at shorter ranges. Both rounds are capable of delivering excellent accuracy and performance, but the 338 Lapua is the clear winner when it comes to long-range shooting.
