Where to go next with load development?

[Rlbol]

This is the best 5 round grouping so far. 5 shot 100yrds 260rem with new brass.
I loaded in 2 grain increments all same length.
What should I reload next in powder increments? Should I play with setting depths? In what order would be best?
Thanks for any help!

 

[roggom]

What is your goal? If you goal is tiny little groups at 100, then you can work on shoulder bump, runout, neck tension, flashhole deburring, weight sorting, various primers, seating depth. (Sarcasm off). You mentioned virgin brass, so I would run the once fired brass and see what you get. If the results are promising, then work the seating depth, then taker er' out to 300Y and see how it fares.

 

[Headquarterz]

^+1. Stretch out to 300 or more and see how your vertical is.

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[leadbullet]

Where to go next, sort you bullets, brass and primers by weight then do a 10 shot per load ladder test at 100yds. You are almost there but not quite.
Cheers