6.5 x 47 lapua seating depth - HELP NEEDED

[paulnyc]

I am reloading for my 6.5 x 47 lapua. Working up loads for 100 grain bergers - also 108 lapua scenars. COAL is suggested at 2.80 inches - at that depth, my 140s are jammed into the lands and I am getting good groups.

problem is that the 100s and 108s are much shorter and at 2.80 they aren't even seated. What seating depth or COAL should i be using for these shorter bullets. If I seat at 2.65 they would be jumping to the lands quite a bit (is this too much of a jump)?

Thanks!

Paul.

 

[RonAKA]

You can usually gain some length by going to flat base bullets, that are not low drag, or high BC.

 

[Mark Walker in TX]

Paul,

There is no standard, and COAL is really a worthless measurement anyway.

It is all about what the freebore you have, and what your barrel likes. Some barrels shoot very well jumping certain bullets, some don't.

You just have to do some experimentation and find out what your barrel likes, with each bullet.