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Q&A · Hunting

How does the .357 Magnum caliber impact deer size for hunting?

April 5, 2026

Quick Answer

The .357 Magnum caliber can effectively take down deer, but it may not be the most ideal choice due to over-expansion or penetration issues, potentially leading to tracking difficulties.

Hunting Considerations

When hunting with a .357 Magnum rifle for deer, it’s essential to consider the specific load and bullet design. A 158-grain or 180-grain bullet with a flat nose or hollow point is often preferred for its controlled expansion and deeper penetration. Avoid using bullets that are too light, as they may over-expand and lose too much energy upon impact.

Bullet Penetration and Expansion

To ensure a clean kill and minimize tracking issues, look for bullets with a penetration depth of at least 18 inches. This will help prevent the bullet from becoming lodged in the deer’s body, making it easier to recover the animal. A good example is the Speer 158-grain Gold Dot bullet, which has a penetration depth of 20.6 inches in gelatin testing. This level of penetration and expansion will help ensure a quick and humane kill.

Rifle and Load Selection

When choosing a .357 Magnum rifle for deer hunting, select a load that is specifically designed for hunting larger game. A 1:9 to 1:10 twist rate is recommended, as it will help stabilize the heavier bullets and prevent them from tumbling or keyholing. A load with a muzzle velocity of around 1,800-2,000 feet per second is a good starting point, as it will provide sufficient energy for a clean kill while minimizing over-expansion and tracking issues.

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