So Many Seating Depth Questions On Bottle Neck Cases...

The WORLD changes everyday...
Keep up or get left behind.

The trick is not to let the guys that have given up drag you along with them...

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Roy Weatherby had some innovative ideas.
Some were proven out over time, still used, and have increase accuracy.
Some have fallen by the wayside.

I gave up on Weatherby when I couldn't find a 'pre Import' action that worked like it was supposed to.
Things go a lot better when the parts actually FIT the intended purpose...

The idea of letting a bullet get to nearly super sonic speed before it hits the rifling wasn't something panned out generally...

For Weatherby, it worked.
For me, I'm not a big fan of long freebore.

When I switched from .300 Weatherby Mag. to .300 Win Mag my groups STAYED much tighter out to the 1,000 yard mark as the barrel aged.

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Rant deleted, it would be wasted on most, if not all anyway...
 
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The idea of letting a bullet get to nearly super sonic speed before it hits the rifling wasn't something panned out generally...
Click to expand...

I am the fan of the running start, I want my bullet to have the jump start.

I have a non-Weatherby chambered to 300 Win magnum, it shoots one hole groups, it did not start out that way but with a little work it got better.

F. Guffey
 
As long as the bullet is long enough to be supported by the case and doesn't' get the chance to jump sideways/off center before it hits the throat making for a dangerous situation,
I'd say go with what works for you.

It worked for Weatherby and some of the super high velocity builders...

I'm just not a big fan of a lot of freebore in standard velocity rounds, especially smaller caliber rounds.

I would *Assume* throat compaction/erosion would be higher since the bullet is hitting it harder,
But I've done no research to say that definitively.
Just seems like it would to me.
 
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