Quick Answer
When hunting deer in colder climates with a .308, common mistakes include underestimating bullet drop at longer ranges, failing to account for wind deflection, and neglecting to adjust for cold-weather bullet expansion.
Insufficient Range Estimation
When hunting in colder climates, it’s crucial to account for increased bullet drop at longer ranges. At 300 yards, a .308’s trajectory can fall 10-12 inches below the point of aim, and at 400 yards, this drop can be as much as 25-30 inches. Using a rangefinder and a ballistic calculator can help hunters accurately estimate shot placement and ensure a solid hit.
Incorrect Bullet Selection for Cold Weather
When hunting in cold climates, it’s essential to select ammunition designed for cold-weather performance. Some .308 bullets, like the 150-grain Sierra GameKing, can expand more efficiently in cold temperatures, while others, like the 150-grain Nosler Partition, may not expand as effectively. Hunters should research and choose ammunition specifically designed for cold-weather hunting to ensure optimal performance.
Neglecting Wind Deflection
In addition to accounting for bullet drop, hunters must also factor in wind deflection. A 10-mph wind can deflect a bullet by 1-2 inches at 100 yards, and by 10-15 inches at 300 yards. Using a wind deflection chart or ballistic calculator can help hunters accurately compensate for wind and ensure a solid hit.
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