capreppy
Member
Weight sorting some Hornady .224 75gr HPBT Match bullets. What is acceptable tolerances? +/- 0.3gr? At what point will a person recognize a difference?
well putUnless you're using a comparator and a dial indicator to measure bearing surface, ogive and boat tail for consistency getting too in the weeds with weight isn't going to net much in the way of tangible results.
At what point will a person recognize a difference?
Unless you're using a comparator and a dial indicator to measure bearing surface, ogive and boat tail for consistency getting too in the weeds with weight isn't going to net much in the way of tangible results.
Used to be the old 174 FMJBT match varied by as much as 2 grains. They shot well out to 300 yards, but I would not shoot them beyond that unless they made me.
Sorting gross weight differences is not getting down in the weeds. Sorting bullets to within .2gn is, assuming that is all you're doing for a sort.Well........ I agree that you can fine tune more using better tools- bullets that are 7-8grs apart can have significant impact point differences using the same charge.
While I agree that he's not likely to see that kinda swing on that bullet- this kind of variance (6-8grs) is common in bulk manufactured cast lead bullets. And boy oh boy, can you see it.
In rifle, at 100 yards, I start to see and "feel" I see differences in shots that are weight sorted to .2- against those that are .5grs or more in variance across the box.
If weight is all you are sorting for, I doubt you are going to see much variance in point of impact from 74.7 -75.3 grs.
If you are benchresting, you'll probably see point of impact difference between 74gr and 76 gr bullets...but thats only if your execution of shot to shot difference is flawless. Mine certainly isn't.