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What Variables Affect Terminal Performance Of .35 Whelen Bullets?

April 5, 2026

Quick Answer

The terminal performance of .35 Whelen bullets is affected by factors such as bullet design, weight, and velocity, as well as environmental conditions like wind, temperature, and impact angle. The effectiveness of the bullet in hunting elk also depends on shot placement and penetration. Proper bullet selection and load management are critical.

Bullet Design and Weight

The terminal performance of .35 Whelen bullets is heavily influenced by the design and weight of the bullet. A bullet with a heavier weight and a flat or rounded nose will generally produce a deeper penetration and a larger wound channel, making it more effective for hunting elk. For example, the Barnes TSX 200-grain bullet is designed to expand rapidly upon impact, creating a larger wound channel and deeper penetration. In contrast, a lighter bullet with a pointed nose, such as the Hornady InterLock 180-grain bullet, may produce a shallower penetration and smaller wound channel.

Velocity and Environmental Conditions

The velocity of the .35 Whelen bullet also plays a significant role in its terminal performance. A higher velocity bullet will typically produce a deeper penetration and larger wound channel, but it may also be more prone to fragmentation and loss of kinetic energy. Environmental conditions such as wind, temperature, and impact angle can also affect the terminal performance of the bullet. For example, a bullet hit at a shallow angle may not penetrate as deeply as one hit at a more perpendicular angle. In windy conditions, a heavier bullet may be more resistant to deflection.

Shot Placement and Penetration

The effectiveness of the .35 Whelen bullet in hunting elk also depends on shot placement and penetration. A well-placed shot behind the shoulder or in the chest area can result in a quick and humane kill. However, a shot that hits the elk at a shallow angle or in the lung area may result in a longer and more difficult kill. A bullet with a deep penetration, such as the Barnes TSX, can help ensure a quick and humane kill even in the event of a marginal shot.

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