Small voids/imperfections in cast bullets

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Small voids/imperfections in cast bullets

Post by fenderstrat » 10 Jul 2020, 9:16 pm

Hi everyone, beginner bullet caster here. I've just finished doing a batch of 9mm 124 TC with my new lee mold, and I noticed small imperfections in some of the bullets (see picture). Are this normal? Bad? Anything I should be worried about?

Cheers!
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Re: Small voids/imperfections in cast bullets

Post by bladeracer » 10 Jul 2020, 10:24 pm

I would shoot some and see, but I doubt they'd be a problem.
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Re: Small voids/imperfections in cast bullets

Post by Noisydad » 10 Jul 2020, 10:35 pm

Most little imperfections like that are due to the lead being too cold but it may be dirt went in the mold too.
When casting bullets don’t aim to make heaps of bullets. Aim to make beautiful bullets. Be consistent in your pouring speed, your cooling time, your mold temp., where you dip your ladle in the pot.
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Re: Small voids/imperfections in cast bullets

Post by Oldbloke » 10 Jul 2020, 11:04 pm

Yeh, could be too cold when cadt ad Noisy said. But could also be crap in the lead, hard to see. Did you flux and skim off the crap on the surface?

But would shoot. Lol.
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Re: Small voids/imperfections in cast bullets

Post by fenderstrat » 11 Jul 2020, 10:20 am

Thanks everyone. I did flux it a few times, using sawdust. And I'm planning to try a few with alox and a few with hi-tek coating. We'll see how they go!
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Re: Small voids/imperfections in cast bullets

Post by Oldbloke » 11 Jul 2020, 12:24 pm

Been a while.
I make up ingots first. Use candle wax to flux. Stir and remove top scum. Pour into a ingot mould. This removes most of the crap.

Later I melt the ingots to cast. I flux again during casting as well.

Never used saw dust. :unknown: You can use bees wax.

Have a look on the castbullits forum.

Always cast with lots of ventilation. Lead vapour ain't good for you.
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