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Hot Topic (More than 10 Replies) bevel or flat base bullets (Read 301 times)
cheatin_charlie
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bevel or flat base bullets
Aug 22nd, 2026 at 5:10pm
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When loading lead bullets in a case with blackpowder and over powder wad what do prefer.
A flat base or bevel base bullet for accuracy and why?  Charlie
  
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JHand
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Re: bevel or flat base bullets
Reply #1 - yesterday at 8:46am
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I don't think I've ever actually seen a bevel/boat tail mold, that may be lack of experience though. 

My understanding is that the flat base bullet provides the best gas seal to prevent cutting. For BP, you will need a wad, and i don't thjnk a flat wad would work well with a bullet base that was not flat
  
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Old-Win
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Re: bevel or flat base bullets
Reply #2 - yesterday at 10:14am
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Charlie, are you talking about a bullet like the early Ideal 457132 Postell with its bevel base?
« Last Edit: yesterday at 1:55pm by Old-Win »  
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calledflyer
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Re: bevel or flat base bullets
Reply #3 - yesterday at 10:14am
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The old Winchester molds usually had a bevel on the base and of the pair I own for .32 caliber, one shoots very nicely in fixed/smokeless loads. The other one does not shoot well because the mold is in as good shape as the first. 
I don't think I ever saw a boattail mold, and would never take one home, or even gift bullets cast in one.
  
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cheatin_charlie
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Re: bevel or flat base bullets
Reply #4 - yesterday at 5:42pm
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I have the Lee 250 grain 38-55 mold that has a bevel base.  All the custom molds I have are
flat base.  I wondered if it would be worth the trouble to set it up and make a flat base.
Charlie
  
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dave_j
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Re: bevel or flat base bullets
Reply #5 - yesterday at 7:28pm
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a few years ago a friend made a tool to bevel the base of two bullets, a 40 and a 32. these were flat base. The tool took a sliver from the edge of the base. It made the 40 easier to load in 40-65 .i tried it with the 32 but since i was breech seating it did not have an effect. some engineer may be able to tell us what effect it may have had.  easier to handle though.
  

ah heck  AA#9,4227,300MP, as long as it goes bang
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4060may
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Re: bevel or flat base bullets
Reply #6 - Today at 7:00am
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C
I have 2 LEE molds base has been opened
you are welcome to one 
  
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cheatin_charlie
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Re: bevel or flat base bullets
Reply #7 - Today at 7:22am
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4060may wrote Today at 7:00am:
C
I have 2 LEE molds base has been opened
you are welcome to one 

Hope to see you this weekend.  Charlie
  
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4060may
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Re: bevel or flat base bullets
Reply #8 - Today at 8:21am
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i'll try
legs aren't working as they should
  
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calledflyer
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Re: bevel or flat base bullets
Reply #9 - Today at 10:09am
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Didn't John Louis at one time post a thread here concerning the little bevel he'd cut on some bullets? If I recall, he was claiming some benefit or other by doing so. Maybe someone (Jerry H.?) remembers and might comment.
  
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JerryH
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Re: bevel or flat base bullets
Reply #10 - Today at 7:37pm
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John did bevel the base of his bullets to see if it helped with accuracy. I don't remember his reasoning for doing it. 

It's been enough years ago that I'm not sure if he continued to do that or went back to just a flat base.
  

I'm not a complete idiot, some of my parts are missing.
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