With the rise in popularity of long (and medium for that matter) range shooting, so has developed a new language with new terms that get thrown around. ES and SD being two prime examples. So. What are ES and SD? How do they affect your shooting - and more importantly - how can I manage and reduce them?
With the charge weight sorted, it was time to have a play with seating depth to see if we could finesse the load a little. The main consideration here was the smallest group size and seeing if I could reduce the SD any further. Ultimately though, remember, it's consistency over absolute smallest value.
Now - let's be clear - I am not interested in taking 100 rounds to do load development - the less I can shoot to get 99% of the way - I am happy. I have long accepted that the last little increase in precision and the extra time and effort it takes is well lost within my shooting ability.