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Old 07-11-2017, 12:26 PM   #1
Fargus
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Default RCBS Chargemaster Accuracy?

How accurate is the Chargemaster? Using my current powder measure is tedious due to a lack of consistent charges. Is the Chargemaster really +/- .1gr as advertised?
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Old 07-11-2017, 12:32 PM   #2
scott.str
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It can be close to that depending on powder. But also it's electric so can have variance there to. I'd say though .1-.2 is about right. I powder drop plinking loads and powder drop and trickle by hand for accuracy loads. Powder dropping ball powder you'll be within the same .1-.2 as the trickler. Stick powder is a bit more tough
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Old 07-11-2017, 12:57 PM   #3
Outbreaker
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Mine is dead on. But only if you use the right power adaptor. It comes with 2 and they are different......so mark them.
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Old 07-11-2017, 03:23 PM   #4
JakeGraves
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I have always been right on the money checking weights between 30-70 grains and double checking on 505 scale. I also have a 50 grain check weight that I periodically drop in the pan to make sure it doesn't drift. One of the best ways to make sure is looking at standard deviation on the chronograph. I have several 10 shot strings with low single digit SD by using the Chargemaster.
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Old 07-11-2017, 03:30 PM   #5
WTucker
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Mine is dead on with my beam scale. There has been a couple powders that it would overthrow by .1 grains. On those I enter a smaller amount and trickle the rest of the powder. Also, I found an article online somewhere where people were putting a mcdonalds straw in the tube with the end cut like saw teeth. This honestly pretty much eliminated any errors I was having.
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Old 07-11-2017, 03:31 PM   #6
Horitexan
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Mine is about +/- .15gr. It's not as accurate as my buddy's Lyman Gen 6. That's after RCBS sent me a new one. I double check every load on my Gempro 250 to keep SD/ES low.


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Old 07-11-2017, 06:37 PM   #7
stxhunter
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I currently have a chargemaster, but I know it could be more accurate. Have been looking at something like this:

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Old 07-11-2017, 10:18 PM   #8
LWolken
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It will depend on the powder type as others have said. On long granular powders I set mine to throw on the light side then trickle to the exact weight. You can also tweak the internal setting to give you better accuracy and speed if needed.
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Old 07-12-2017, 06:50 AM   #9
Joe H
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I have one new in box in the classifieds if interested

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Old 07-12-2017, 10:29 PM   #10
Fargus
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Quote:
Originally Posted by Joe H View Post
I have one new in box in the classifieds if interested

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That's what led me to ask this question and I didn't want to hijack your thread.
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Old 07-12-2017, 10:48 PM   #11
Horitexan
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Quote:
Originally Posted by stxhunter View Post
I currently have a chargemaster, but I know it could be more accurate. Have been looking at something like this:

AutoThrow Upgrade for AutoTrickler V2! - YouTube


I did NOT need to see that. DARN you for posting it!!! Lol!


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Old 07-12-2017, 11:01 PM   #12
Jmay
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The new charge master light has been accurate to within .1-.2 each time I have tested with another scale. I've loaded about 100 rounds with it tested about every 10-15. It dumps until it gets close and the auto trickles. It is a little slow when it is trying to drop the last .1 or .2 grains. Overall I'm pleased with it easy to use and much cheaper than the chargemaster.
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