Erik Cortina
Team Lapua Brux Borden Captain
Yes, 82.77 is what I would go with.
savageshooter86 said:Once you get charge decided and do seating depth test...... if all your seating depths hit same POI basically but group size changes in and out does that show you are in a node?
brians356 said:Erik,
Would the initial charge increment of 0.5 grains for 6.5x47 Lapua translate to something like 0.3 grains for 223 Rem and the like?
savageshooter86 said:Erik I am saying when I did my seating test, all had very close to same POI just groups got big and smaller than others. But held POI closely
I had the same in my .284savageshooter86 said:Erik I am saying when I did my seating test, all had very close to same POI just groups got big and smaller than others. But held POI closely
vano said:Erik, when in the opening post you said to load 4 rounds 1 fouler and 3 for group are you cleaning between groups or is it that while reloading at the bench enough time passes to cool the barrel so then 1 shot to warm it up again?
thanks vano
T-REX said:Is there a name for this procedure?
eric32 said:The Cortina Method or Cortina's Ladder