I should have said "don't worry about the lands". It would have made more sense.
As you note, most of the time there is a big jump just to fit in the magazine.
What I really meant is chose a distance from the lands and work on powder charge and don't bother worrying about it. As apposed to finding a powder charge for velocity and then adjusting the seating depth for accuracy.
Seeing as we are disagreeing with things, I don't agree with duplicating factory loads.
Unless you are using a high BC projectile, getting it to group better than 2" at 100m is a waste of time anyway.
Nothing more pointless than wind sensitive flat bases that shoot tight groups at 100m if that's not their sole purpose.
You won't need those tight groups until miles past the useful range of an ordinary projectile.
Duplicated a 55gr V-max load in a 22-250. Got it shooting better then the factory half inch loads. Took forever. Had to change powders and brass. Then realised a 12lb varmint rifle was useless at long range shooting a low BC projectile. It was nothing more than a mediocre 100m target rifle.
Still fun though.
A VLD shooting 1.5" would be more useful at range than a corloct shooting 0.5"
Tight groups at 100m is precision, not accuracy.
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