Home Forums Reloading Big Game Rifles Seating depth trial

I’ve never seen one that wasn’t. Did you click on my link? The only difference was seating depth.



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I did read the link. By "that sensitve" I'm talking 0.003" makes the difference between nite and day in grouping.

Eyeball the first one, lock the seater, then measure for reference. Not too scientific.

Two shots won't prove a load to be consistently accurate, but two shots can definitely weed out the chaff.

I've used two-shot groups when starting out with new component combinations, looking for pressure/velocity. Might as well get the easy data while you're starting from scratch. Two shots in an inch and a half says "don't waste your time here.

My thoughts, too. Use 2-shot groups to find max pressure, and also to see what doesn't work, at the same time, i.e. a third shot never shrinks a group. Then, shoot 5-shot (or 3-shot) groups around the area(s) that first showed potential with the 2-shot groups. Same general process for finding seating depth, too.

Like this:




Resulting in this:

Copy. I agree completely.



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Always a labor of love and components.