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weighing and sorting brass & weighing, measuring and sorting bullets

 
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Old 09-01-2013, 10:38 AM
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weighing and sorting brass & weighing, measuring and sorting bullets

I'm using Norma brass and Barnes TTSX and Nosler AB bullets in .270 and 300 win mag. For now I'm limiting my shooting distance to 400 yards.

In the past I've weighed & sorted brass in 2 grain lots and measured bullet bearing surface & sorted in .002" lots. The bearing surface of the last batch of 270 bullets ranged from .687" to .697". I just recently started weighing bullets and found out that almost half were more than .1 grain more than the rest. Now if I measure these bullets than are within .2 grains (+ or - .1 grains), out of 150 bullets I may have only 20 that are within .2 grains and .002" in bearing surface of each other.

I know that guys shooting 1000 yards do all this sorting. My question is: how much difference in accuracy is all my weighing, measuring and sorting going to make at 400 yards? Is it really worth all the time sorting? Would you guess it could make a difference in accuracy of 1/2", 1" or 2" at 400 yards???

I know I could do some tests, but I think it would take a lot of ammo, primers and powder to do a conclusive test. I'm looking for some expert help so that I don't have to spend all the time and money doing some tests.

Thanks.
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Old 09-01-2013, 10:45 AM
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Re: weighing and sorting brass & weighing, measuring and sorting bullets

I stopped sorting Barnes bullets. Over the last year and a half the deviation became too small to bother.

I still sort brass and if I were a Nosler shooter would sort them.
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Old 09-01-2013, 10:49 AM
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Re: weighing and sorting brass & weighing, measuring and sorting bullets

I think the accuracy deviation at 400 yards would be more like the odd wild shot 6" or more out. For target completely unacceptable for hunting not as bad but are you going to double guess your followup shot?
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Old 09-02-2013, 09:40 AM
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Re: weighing and sorting brass & weighing, measuring and sorting bullets

You're wasting energy better spent somewhere else.
Weighing brass -meaningless
Bullet bearing -meaningless
.1-2gr bullet weight -maybe 5fps only with a very efficient load(unlikely in 300WM this side of a ~40" barrel).

For the learning, you might assemble the spreads in extreme and do some testing. I'm confident with this you'll arrive at my sentiments about it.
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Old 09-02-2013, 10:31 AM
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Re: weighing and sorting brass & weighing, measuring and sorting bullets

This is the fun part of reloading and the internet, two people claim polar positions.

It works for me. It does not work for Mikecr. Will it work for you?

The difference in positions is Mikecr's presents like and insult if you don't see his position and will continuously berate anyone who disagrees.

What works for me works for me. I never use works to other people like 'wasting your time' but it is an advantage and disadvantage of the internet. Anyone can post anything without consideration of someone else's desires in this world.
Quote:
Originally Posted by Mikecr View Post
You're wasting energy better spent somewhere else.
Weighing brass -meaningless
Bullet bearing -meaningless
.1-2gr bullet weight -maybe 5fps only with a very efficient load(unlikely in 300WM this side of a ~40" barrel).

For the learning, you might assemble the spreads in extreme and do some testing. I'm confident with this you'll arrive at my sentiments about it.
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Old 09-02-2013, 11:02 AM
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Re: weighing and sorting brass & weighing, measuring and sorting bullets

I forgot something.

If this is for pure big game hunting loads, there is a difference in perceived accuracy requirements. Varmint loads are different from big game loads are different from paper/steel loads.

For big game, paper plate sized groups at the maximum distance expected is acceptable to many people. Even to me if the hit is the first shot and the drop is instant fine. I don't need 1" groups to drop a pig at 300 yards, just did that for the first time. My buddy I load for has his longest large pig at 1065 yards. This was from a hunt he won as a 'bet' with the guide regarding a 645yard shot. BTW: according to my buddy, at 1000 yards you don't have to be quiet.

For varmints, bottom of a coffee cup at the maximum distance expected is fine for me. When working a 223 at 300 yards, for me this takes sorting.

Hunting paper or steel, a dime at 100 yards is to much for me. a quarter at 300 yards is too much for me. a silver dollar at 600 yards is too much for me.

Accuracy, spreads, deviations are all defined by your goals for that round and rifle combination in the conditions and intended use. Sometimes all the sorting, weighting and measuring is more than required for the intended use but it's never a "waste of time" as learning consistent processing is always useful.

Like I said, Barnes are so accurate now I no longer sort them. Other bullets, even Bergers, yup, I sort.
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Old 09-02-2013, 03:55 PM
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Re: weighing and sorting brass & weighing, measuring and sorting bullets

I do all of that and more. Does it make my ammo more accurate than my ability to shoot? I don't know, but it sure does give me the confidence to make a better shot. I know when I settle in for that once in a lifetime opportunity I have done everything I can to help make the best ammo possible. Attitude plays a big role in how accurate I shoot.
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