Load development for "Big Bore" catridges

TrapperT

Sergeant
Full Member
Minuteman
Jun 10, 2005
128
1
Temperance, MI
When I do my load development for cartidges such as .243, .308, .223 I develop loads using the "ladder" method and usually will vary my charge weights by .3gr increments. When working loads for large bores (i.e. .338 Lapua), it seems as though .3 increments would be to small due to the overall capacity of the cartridge. Therefore, what grain weight increments are fine enough to develop loads in these types of cartridges (.5gr, .4 gr, etc.)?
 

FCS

Gunny Sergeant
Commercial Supporter
Full Member
Minuteman
Jun 3, 2005
2,324
634
ABQ, NM
Re: Load development for "Big Bore" catridges

375 H&H I stepped through in 1.0 gr increments.
 

btm_54

Sergeant
Full Member
Minuteman
Apr 29, 2008
137
1
down under
Re: Load development for "Big Bore" catridges

I have been trying loads for the 338lm in .5gr increments. my next session I was going to go .2gr around the the more consistent loads and see what happens.