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Normal Topic Another Call for the Casting Dr. (Read 2855 times)
SSShooter
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Another Call for the Casting Dr.
Aug 23rd, 2011 at 9:50pm
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Using the RCBS 312gr 378312 2-cavity mold and a 40-1 mix (that's what was handy) the top grease-groove and nose of the bullet are slumped off to one side. Enough that it is visible to eye  and also is difficult to get through the 0.377" lube/sizing die once it hits the top grease-groove. As both bullets in the 2-cavity mold come out the same way, am wondering if it is something I'm doing or could it be a bad mold? Am new at this game. Can post a pic if that would help. Thanks.
  
Glenn - Stevens 044 1/2, Bartlein SS 5R barrel in 22LR
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MikeT
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Re: Another Call for the Casting Dr.
Reply #1 - Aug 23rd, 2011 at 10:42pm
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That is a new one on me!
Is it possible that the alloy is too hot when the bullets are dropped from the mould?  Or are the vent lines not functional on that end of the bullet mould?  Is this a base pour mould?
If you have some pics, that would be something to see.

Keep on hav'n fun!
MikeT
  
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frnkeore
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Re: Another Call for the Casting Dr.
Reply #2 - Aug 23rd, 2011 at 10:55pm
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It could possibly be Zinc contamination. It's the worst thing you can get in your lead and try to cast.

Frank
  
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gunlaker
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Re: Another Call for the Casting Dr.
Reply #3 - Aug 24th, 2011 at 1:19am
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Are you dropping the bullets onto a thick towel, or a hard surface?  If so perhaps the noses may be bending as you drop them?

Chris.
  
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CajunRebel
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Re: Another Call for the Casting Dr.
Reply #4 - Aug 24th, 2011 at 6:06am
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Not to dismiss the expertise of the individuals on this site, but have ou tried (You need to Login or Register to view media files and links); This guys get high on lead! Roll Eyes
  
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