Seating Depth Example

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Tex .416

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Was out tinkering and testing loads this afternoon.

Here is a really clear example of how a change in seating depth can make a significant difference in accuracy. Note how the velocity spread tightened up. Thought it might be of interest.

IMG_1948.jpeg
 
deewayne2003 said:
Well done, yesterday I finalized load development on my .300win 200gr LRX-BT @2,885fps

100yds
View attachment 787156
Click to expand...

Nice shooting!

Try moving to 200 or 300. Some loads can be tight at 100, but open up a bit further out. I start off at 200 which sometimes makes seeing differences easier to see.
 
Last edited:
Monos tend to like a further jump to the lands than the conventional school of thought with conventional cup and core bullets. But even the Bergers can perform better too.

The most comprehensive testing anyone has done on the subject is via Mark at Short Action Customs. Look it up. Some of the ELR guys are jumping 0.08 with excellent results.
 
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