Quote:
Originally Posted by 260 Rem
Some interesting observations regarding trigger/firing pin movement, but I keep gravitating back to the effect of recoil based on my following observation.
I use the same action / trigger / stock / barrel contour combination with barrels chambered to 6 Dasher / 30 BR / 30 Dasher / 6.5 X 47L / 260 Rem / and 308 Win. The weight differences due to the variation in bore diameter are mere ounces.
On average, the lighter recoiling calibers group best.
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Some barrels flex more under pressure than others could be a contributing factor. But it would be very slight. Barrel may be the same except the metallurgy.
Small difference just like the same type of powder from a different batch.