Thread: CBTO new projectile

Originally Posted by Moutere

I despise load development.

I plan to try ELD-Ms on two rifles and use the same CBTO measurement from the previous SMK loads, measured using the Sinclair tool.....I can’t see that the shape of the projectile changes the distance from the case base to where the ojive engages the rifling.

Any contrary thoughts?

Well that would be a fair assumption if the "gauge" had exactly the diameter of your bore and that may not be true. If there's a mismatch, the different nose profiles of the two projectiles will make the outcome less certain.

In the end, it's what happens on paper that matters. Avoiding a hard jam is always wise in a hunting gun.