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Is Hollow Point Ammunition Legal for Deer Hunting?

May 8, 2026

Quick Answer

Hollow point ammunition is generally legal for deer hunting in most states, but it's essential to check your local regulations before using it. The legality may depend on factors such as bullet type, expansion characteristics, and game species. Many states have specific requirements for expanding bullets.

Types of Bullets and Regulations

Hollow point ammunition typically consists of a jacketed bullet with a hollow core, designed to expand upon impact. This expansion helps to increase the bullet’s stopping power, particularly in soft tissue like deer. However, some states have specific regulations regarding the maximum weight retention or expansion characteristics of hollow point bullets. For example, in Wisconsin, the maximum weight retention for a deer bullet is 90% at 12 inches, while in Michigan, it’s 85% at 18 inches.

Bullet Expansion and Performance

The expansion characteristics of a hollow point bullet play a crucial role in its performance. A bullet that expands too quickly or too much may not penetrate deeply enough, potentially leading to a non-killing shot. Conversely, a bullet that fails to expand may not provide sufficient stopping power, potentially resulting in a wounded deer. Hunters should choose bullets with controlled-expansion characteristics to ensure effective performance in the field. For example, the Barnes TSX and the Nosler Partition are popular choices for controlled expansion in deer hunting.

Choosing the Right Ammo for Deer Hunting

When selecting hollow point ammunition for deer hunting, consider the following factors: bullet weight, velocity, and expansion characteristics. A heavier bullet (150-200 grains) is often preferred for its increased stopping power and deeper penetration. Velocity is also critical, as a slower bullet may not expand effectively. Expansion characteristics should be selected based on the state’s regulations and the desired performance. Hunters should consult their local wildlife agency for specific requirements and recommendations on hollow point ammunition for deer hunting.

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