Originally Posted by Herman
When reloading for my 30-06 with the case trimmed to the proper length and the OACL correct the center of the "channelure" is .075 above the end of the case and a 110gr bullet sets right on top of the case. What is the deal???? The round works fine through the action of my Browning Abolt> how about some comments?
The post reads as if you think there is only one Case Overall Length for a 30-06. Each bullet has its own specific seating depth; whereas it will possibly have a different COL.
I don't go by a measurement, I go by where the bullet's cannelure rests in the case mouth, then I measure for reference in my reloading data.
I'll seat them like the top one, (30-06,) then measure. If the next batch of bullets are a bit off like the 30-30 case on the bottom, I'll leave it alone. But if it further off than that I'll seat it like the top and call it good.
(I load the 30-30 cartridges singly, directly into the chamber; when using pointy bullets.)