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What is best ammunition for .338 Federal elk hunting?

April 5, 2026

Quick Answer

For elk hunting, the best ammunition for a .338 Federal is likely to be a 210-225 grain bullet, with a muzzle velocity of around 2,500-2,600 feet per second, and a muzzle energy of 3,200-3,400 foot-pounds. This velocity and energy range will provide a balance between penetration and expansion, making it suitable for taking down large game like elk. Look for ammunition with a high ballistic coefficient for better accuracy.

Choosing the Right Bullet Weight

When selecting ammunition for elk hunting with a .338 Federal, it’s essential to consider the bullet weight. A 210-225 grain bullet is a good starting point, as it will provide enough mass to penetrate deep into the elk’s body while also expanding upon impact. Bullets heavier than 225 grains may not provide the same level of expansion, while lighter bullets may not penetrate as deeply. Look for bullets with a flat nose or a slight taper, as these will help to initiate expansion upon impact.

Muzzle Velocity and Energy

To ensure effective performance, you’ll want to select ammunition with a muzzle velocity of around 2,500-2,600 feet per second. This will provide the necessary energy to take down an elk quickly and humanely. A muzzle energy of 3,200-3,400 foot-pounds will also help to ensure that the bullet penetrates deep into the elk’s body. Look for ammunition with a high muzzle velocity and energy to ensure effective performance in the field.

Ballistic Coefficient and Accuracy

To achieve accurate shots at long ranges, look for ammunition with a high ballistic coefficient (BC). A BC of .500 or higher will provide better accuracy and less wind deflection. This is especially important when hunting elk, as shots can often be taken at long ranges. By selecting ammunition with a high BC, you’ll be able to place your shots accurately and take down your elk humanely.

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