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Q&A · Hunting

What’s the legal minimum caliber for hunting brown bears?

April 9, 2026

Quick Answer

The legal minimum caliber for hunting brown bears varies by jurisdiction, but is typically a minimum of .30 caliber, such as 30-06 Springfield or .300 Winchester Magnum.

Magnum Options for Brown and Grizzly Bear Hunting

When it comes to hunting brown or grizzly bears, selecting the right caliber is crucial for a safe and successful harvest. Magnum calibers offer increased kinetic energy, which is essential for delivering a quick and humane kill. For example, the .338 Winchester Magnum, with its 250-300 grain bullets, can generate up to 3,000 ft-lbs of energy, making it an excellent choice for bear hunting.

Choosing the Right Bullet

In addition to caliber, bullet selection is also critical when hunting bears. Look for bullets with a high ballistic coefficient (BC) and a flat, broad nose design, which can help to expand and penetrate deep into the animal’s tissues. The .338 Winchester Magnum, for instance, is often paired with the 250-300 grain Nosler Partition or Berger VLD bullets, which offer exceptional accuracy and expansion.

Considerations for Hunting in Dense Terrain

Hunting in dense terrain, such as forests or mountains, requires a different approach than hunting in open areas. When hunting in dense terrain, it’s essential to use a caliber with a flat trajectory and a high BC, such as the .338 Winchester Magnum or the .300 Winchester Magnum. These calibers can help to ensure that the bullet remains on target and continues to deliver kinetic energy, even in dense cover.

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