243 reload help

[duckmanep]

what depth are you seating? what depth does nosler book recommend for that bullet?

[Flint knapper]

100 grain Partition
43.3 grains of IMR 4350
= 3100 fps

[scissorhands]

Whats the best the rifle has ever shot? Is it bedded? Sporter?

[dbaio1]

I have not played with the seating bepth much as I only want to change one thing at a time but I have varying the grains of powder from the lightest load the nosler book says up to the max load and on past watching for pressure signs. About 4 or 5 differant loads of each powder type. On the other rifles I have loaded for I pick a bullet, then try different powders till I get a group I can work with and then start playing with seating depth. So far with this rifle I have not even gotten a load I am happy enough with to move to the next step.

Thanks for all the reply's!

In all my work ups, the better groupings come with the seating depth vs the
charge level. That usually only changes the height of the group really.
Have fun find the answer, this is what got me hooked on reloading about 15 years ago.

[dustoffer]

In all my work ups, the better groupings come with the seating depth vs the
charge level. That usually only changes the height of the group really.
Have fun find the answer, this is what got me hooked on reloading about 15 years ago.

Yep--seating depth, which determines bullet jump from case to rifling engagement is critical. And, each rifle is different. I had one .243 job that wouldn't shoot unless it was .010" into the lands, not off. Got to watch for excess pressure with that setup though.

Try the Hornady 100-gr Spire Point, flat-base. Always shot better for me than the partitions.