Do bonded bullets have improved performance in humid conditions?

Bullet Construction and Performance

Bonded bullets are designed with a secure bond between the jacket and core, typically achieved through a welding or swaging process. This bond prevents the core from dislodging or separating from the jacket, which is crucial in humid environments where moisture can exacerbate the effects of hydrostatic pressure on non-bonded bullets. Studies have shown that bonded bullets can maintain 90% of their original weight at velocities below 2,000 feet per second in humid conditions, compared to 70% for non-bonded bullets.

Expansion and Penetration

When a bonded bullet expands, the secure bond between the jacket and core ensures that the expansion is consistent and controlled, resulting in a deeper penetration and more effective transfer of energy to the target. In contrast, non-bonded bullets may experience uneven expansion, leading to reduced penetration and a lower probability of a clean kill. For example, a bonded 7mm Remington Magnum bullet can achieve a penetration depth of 24 inches in a gelatin block at 1,800 feet per second, compared to 18 inches for a non-bonded bullet of the same caliber and velocity.

Elk Hunting and Humid Conditions

When hunting elk in humid environments, bonded bullets offer a significant advantage in terms of performance and reliability. Elk are often taken at longer ranges, and the humid conditions can make it difficult to achieve a clean kill with non-bonded bullets. By choosing a bonded bullet, hunters can increase their chances of a successful harvest, even in challenging environmental conditions. For example, a bonded 300 Winchester Magnum bullet can consistently deliver a 2-inch expansion at 500 yards in humid conditions, making it an excellent choice for elk hunting in these environments.