Vertical grouping

Just because it has a low E.S doesnt mean it is a good load, especially at 100yds
Thanks for that, too much emphasis on numbers. Believe the target.
3 yrs ago or so, I had a 6 creed, dynamite load with a hybrid at 3105fps. Load was not hot, decided to see what it do going up in charge. Don't recall the charge, but my numbers for 5 rds were:
3155
3155
3155
3156
3155
It shot a solid 12" group @ 500 yards
 
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It doesn't take much reloading to realize that mv es doesn't correlate with tuning a load.
Statistically speaking under ten shots is barely recording an es or sd.
Imo es is improved by reloading practice
You tune a load to the barrel, by adjusting bullet choice, seating depth, powder choice, amount of powder, and primer choice
There r certainly better bullet/powder/primer combinations that produce low mv es, but saying ur going with 43.5gr of varget instead of 44gr of varget in a 308 because it has a lower es but the 44gr makes a 10 shot group half the size of the 43.5gr load is just goofy
 
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This load was 61 gr of H1000 and 140 Berger's and Fed 310 primers. I think I will go to CCI BR primer and drop the load .5 gr. Am I on the right path?
 
I'm in the change the primer group, that's alot of vertical at 100. But as stated 1 thing at a time, dont be afraid to try a magnum primer either.
 
Thanks for that, too much emphasis on numbers. Believe the target.
3 yrs ago or so, I had a 6 creed, dynamite load with a hybrid at 3105fps. Load was not hot, decided to see what it do going up in charge. Don't recall the charge, but my numbers for 5 rds were:
3155
3155
3155
3156
5155
It shot a solid 12" group @ 500 yards
5155!!! Rifle blow up?
 
My go to magnum primers are Fed. 215 and CCI 250 I had been a Fed 215 strictly guy but I have had a couple instances lately were a 250 has been better. Recently was my nephews 6.5x06AI.
 
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