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Hot Topic (More than 10 Replies) Casting large vs small bullets (Read 1092 times)
gunlaker
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Re: Casting large vs small bullets
Reply #15 - yesterday at 2:05pm
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I would disagree that no one casts super tight spreads like +/- 0.2 or 0.3gr.   I do it all the time.  If after the first 15 or so bullets, if they spread a lot more than that it's because I wasn't paying attention to the thermometer or my casting timer.  I just grabbed a couple of boxes of bullets off of the table.  Saeco #740's cast out of 20:1.  After the first 15, they are all 409.5 to 410.0gr so a spread of +/- 0.25gr.   A set of 540gr Money bullets I have 91 saved at 539.5 +/- 0.3gr.    The 32 cal bullets are generally a lot tighter than that.   I believe that just like shooting, casting gets better when you try to control all of the details. 

Chris.
  
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oneatatime
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Re: Casting large vs small bullets
Reply #16 - yesterday at 4:24pm
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What kind of a scale do you use? Is it digital?
  
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gunlaker
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Re: Casting large vs small bullets
Reply #17 - yesterday at 4:37pm
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oneatatime wrote yesterday at 4:24pm:
What kind of a scale do you use? Is it digital?


I've gone through a few scales over the years, but yeah digital.  I watch them for drift as I go.
  
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oneatatime
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Re: Casting large vs small bullets
Reply #18 - yesterday at 5:25pm
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Does it read out in .1 grain or in .2 grain?
  
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gunlaker
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Re: Casting large vs small bullets
Reply #19 - yesterday at 8:27pm
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0.1 grains
  
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JHand
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Re: Casting large vs small bullets
Reply #20 - yesterday at 9:29pm
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I use a frankford arsenal scale that goes to .1gr, but I don't think I'd trust it enough for powder. For bullets, its good enough,  and gives piece of mind that they are close
  
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oneatatime
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Re: Casting large vs small bullets
Reply #21 - Today at 1:33am
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Yes, plus or minus .05 grain should really be good enough.
  
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gunlaker
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Re: Casting large vs small bullets
Reply #22 - Today at 8:12am
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Yeah I think most of our digital scales aren't that great.  If you don't watch them constantly they'll drift. I keep mine on 24 hours a day now which seems to improve it quite a bit.  I wonder if the really high end ones popular with the f-open and benchrest shooters are less susceptible to drift.
  
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