Quick Answer
For long-range elk hunting, the 6.5 Creedmoor is generally superior to the .308 due to its flatter trajectory, improved wind deflection, and increased effective range. This difference becomes more pronounced at distances beyond 500 yards. The 6.5 Creedmoor's smaller case size also results in lower recoil and reduced fatigue.
Ballistic Comparison
When comparing the two cartridges, the 6.5 Creedmoor offers a 100-yard flatter trajectory than the .308, with a 2-inch difference in drop at 500 yards. This translates to a 3.5-inch difference in bullet drop at 700 yards. The 6.5 Creedmoor’s longer effective range is due in part to its higher ballistic coefficient (BC) of 0.625 for the 140-grain bullet, compared to the .308’s BC of 0.465 for the 168-grain bullet.
Hunting Considerations
When hunting elk at long range, it’s essential to consider the kinetic energy of the bullet. The 6.5 Creedmoor delivers 2,400 ft-lbs of kinetic energy at 700 yards, while the .308 delivers 1,900 ft-lbs. This increased kinetic energy results in a higher probability of a clean kill. Additionally, the 6.5 Creedmoor’s smaller case size and lower recoil make it easier to handle and aim at long distances, reducing fatigue and allowing for more accurate shots.
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