04-28-2012, 06:50 PM
Good information!
I am one of those who knows that, while the 6.5 will be sleeker than the 6.8 for equal bullet weight, the terminal performance magic is in bullet design. The potential exists independent of caliber.
From that point of departure, one next looks at both near-in or under 300 meters -- several cartridges in this size class will deliver over these most common engagement ranges, including both the 6.5 and the 6.8. The next is to ask the question "Is the combination of muzzle velocity and ballistic coefficient for those well-designed bullets to be adequate in terms of drop and drift to get high hit probability out to 600 meters?"
Independent of where one's heart lies, the 6.8 bullets launched by the SPC tend to lose velocity with the attendant drop and drift issues compared to the 6.5 in the 300-600 distance. To be sure, the differences aren't large, but they exist.
Of course, one can pack a few more SPC cartridges in the mag -- but this may not matter out in the deer or hog hunting arena.
I am one of those who knows that, while the 6.5 will be sleeker than the 6.8 for equal bullet weight, the terminal performance magic is in bullet design. The potential exists independent of caliber.
From that point of departure, one next looks at both near-in or under 300 meters -- several cartridges in this size class will deliver over these most common engagement ranges, including both the 6.5 and the 6.8. The next is to ask the question "Is the combination of muzzle velocity and ballistic coefficient for those well-designed bullets to be adequate in terms of drop and drift to get high hit probability out to 600 meters?"
Independent of where one's heart lies, the 6.8 bullets launched by the SPC tend to lose velocity with the attendant drop and drift issues compared to the 6.5 in the 300-600 distance. To be sure, the differences aren't large, but they exist.
Of course, one can pack a few more SPC cartridges in the mag -- but this may not matter out in the deer or hog hunting arena.