top of page
.338 Win Mag.
You need to be a member to bookmark a load !
Caliber Specifications:
Caliber: | .338 Win Mag. |
Standard / Datasheet: | C.I.P. |
Bullet Diameter: | 0.338" | 8.59mm |
Primer Size: | Large Rifle (LR) |
Max. Case Length: | 2.500" | 63.50mm |
Max. Cartridge Length / OAL: | 3.340" | 84.84mm |
Max. Standardized Pressure: | 62366 psi | 4300 bar |
Case Capacity: | 86.0 Grains of Water | 5.58 cm3 |
CID: | CID_465 |
Last updated: | 2/20/2025 |
- The .338 Winchester Magnum is a powerful centerfire rifle cartridge designed for hunting large and dangerous game, such as elk, moose, and bear. It was introduced in 1958 by Winchester Repeating Arms Company and has since become a popular choice among hunters and long-range shooters.The .338 Winchester Magnum has a bullet diameter of .338 inches and a case length of 2.5 inches. It is capable of firing bullets weighing between 200 and 250 grains at velocities ranging from 2,700 to 2,900 feet per second, depending on the load. This results in a high muzzle energy and a flat trajectory, making it an effective choice for long-range shooting.However, the .338 Winchester Magnum also generates a significant amount of recoil, which can make it difficult to shoot accurately for some people. It is also a relatively expensive cartridge to shoot, as the ammunition can be costly.
Weight vs. Velocity - Suitable Bullets for this Caliber
Add paragraph text. Click “Edit Text” to update the font, size and more. To change and reuse text themes, go to Site Styles.
Barrel Length Variation vs. Velocity - by Bullet Weight
.338 Win Mag. load data available with the following bullets:
(most popular first)
Filter by Bullet Weight (Grains)
bottom of page