RCBS Chargemaster

Maple57 said:
I read that article many years ago and do not dispute much of it.

As to the charge weight variance you refer to I would not dispute that in the context of the statement being inside 200 yards.

Weight perfection is not required at such close range as a minor velocity spread is not deterministic to accuracy on paper at close range. In the context of short range accuracy the velocity would have to deviate sufficiently to result in a barrel harmonic shift to be relevant.

Long range is when precise charge weight accuracy will pay off as it affects flight time resulting in vertical dispersion.
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so when was the last time you cut a kernel into 20 pieces to get an accurate charge weight to .001gr?
 
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Maple57 said:
Every time I use ball powder, I hit the weight to 0.002 grains.

Varget weighs about 0.02 grains per kernel but ball powders like Winchester 748 ball are much finer and do not require cutting kernels.

If I'm loading for an F Class match I typically do get out the razor blade and cut Varget kernels in half. While to a person who is looking for something to criticize this might seem excessive, it takes about 3 minutes to do so and is really no trouble at all since the scale I'm using is so reliably accurate. For 100 rounds I might cut 30 kernels... big deal.

Does it matter? IDGAF, I know that source of variability that is within my control is off the table.
I know its not the powder and if there is variation, I look to the next thing until that is sorted out, and then the next thing... etc etc

If you want to compete in F Class against a guy that does this, without doing the same, good luck out there.
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Wow...
 
I own the following scales
RCBS 10-10
Lyman 1200 DPS 3
Gempro - 250
And two RCBS's charge masters 1500.
I can rely on any of them to ring my steel plates at 1000yds.
And for that reason i don't feel the need to upgrade to a Sartorius balance, mind you I'm not a competitive shooter.
 
Maple57 said:
Every time I use ball powder, I hit the weight to 0.002 grains.

Varget weighs about 0.02 grains per kernel but ball powders like Winchester 748 ball are much finer and do not require cutting kernels.

If I'm loading for an F Class match I typically do get out the razor blade and cut Varget kernels in half. While to a person who is looking for something to criticize this might seem excessive, it takes about 3 minutes to do so and is really no trouble at all since the scale I'm using is so reliably accurate. For 100 rounds I might cut 30 kernels... big deal.

Does it matter? IDGAF, I know that source of variability that is within my control is off the table.
I know its not the powder and if there is variation, I look to the next thing until that is sorted out, and then the next thing... etc etc

If you want to compete in F Class against a guy that does this, without doing the same, good luck out there.
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I just asked Erik (a National Champion F-Class shooter) if he’s ever cut a kernel of powder in half and he laughed.
 
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Nobody winning national championships is cutting kernels of powder in half. No one.
And Lol at that video. He drops a kernel, the scale moves, he says “no movement at all”. Drops a second kernel, the scale moves, he says “no movement at all.” I take it you believe what you hear more than what you see.
Post up some trophies. You sound like this whack job from another forum…
 
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Those all from club matches with 2 other shooters? Most of us just put our HPS crosses from the DCRA in a drawer, or hand them out to the youngsters. You’re obviously quite proud of yourself.
 
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A study conducted by John J Ritter & Richard A Beyer at Arlington dated Sep 2015.
The study was "PRIMER OUTPUT & INITIAL PROJECTILE MOTION FOR 5.56 & 7.62-MM AMMUNITION".
On page 36 of the paper the SD of the # 41 primer is discussed & was calculated at 7,644.8 PSI.
We can only guess at this time as to the pressure SD of commonly used civilian primers but, they probably won't be too far off that mark.
So, does measuring down to the powder kernel matter when the primer variation alone is 7+KPSI ? Nope. Half a kernel? Absolutely not. That gets lost in the noise elsewhere.
 
Camoman1 said:
Haha feelings were hurt here
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Life is too short to deal with people who can only be described by words I'm not supposed to use in a forum. Better to ignore them and move on. I invite you to ignore me if you feel your life will be improved by that.

I post my personal thoughts because I personally think about things and draw my own conclusions. I've been lucky enough to shoot with some of the best shooters in the world over the past 25 years and have had an education that cannot be found on the internet.

Some people have no ability to think for themselves. So they try to use statements made by others in an attempt to sound knowledgeable but these comments are free of original thought.

There's a difference between an expert and a person who goes around quoting what they perceive to be experts.

You will never be the leader tomorrow by doing what you think the winners did yesterday.
 
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