Hollow point mold

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  • Last Post 22 December 2021
2frogs posted this 21 December 2021

Just got a new hollow point mold single cavity Lyman 44 cal 250 gr . Any pointers on using it. Never had one before..Also it's a gas check.. #2650640. Appreciate any advice

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sluggo posted this 21 December 2021

Check the hollow point stem. If it is a little rough polish it up. It will give a more consistent release and hollow point.

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2frogs posted this 21 December 2021

Will do so tomorrow, appreciate your reply..

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Ken Campbell Iowa posted this 21 December 2021

also, get the hollow pointer stem hot before pouring ... gotta play with pre-heating a little .. the thin stem cools and heats faster than the main blocks.

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Spindrift posted this 21 December 2021

I like to have a pencil handy when I cast HP’s. If the bullets tend to stick to the pin, it helps to rub the pin a little with the pencil.

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JeffinNZ posted this 21 December 2021

Run the alloy and mould HOT.

Cheers from New Zealand

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2frogs posted this 21 December 2021

Thanks for the advice. I have never used one before..

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Idahocaster posted this 21 December 2021

I second the motion for keep the mold hot! I made a holder out of wire that keeps the pin in the pot while it is out of the mold. I think I got that from a YouTube video Jeff had posted if I recall. It helps keep the thin pin from losing too much heat while I'm removing the bullet.

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delmarskid posted this 22 December 2021

I use a hot plate to get the mold hot . Sometimes I heat the pin with a propane torch.

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Eutectic posted this 22 December 2021

You need to heat the blocks during casting. Casting is SLOOOW with a HP mold and it is not possible to keep the mold hot enough to cast good bullets. Pouring a big sprue helps but I still had to heat the blocks on a hotplate every 5 or so bullets. 5 bullets then 2 minutes on the hot plate. 

I made a wire hangar to hold the pin over a propane torch. You only want a small flame so you do not burn the pin.

I used Mold Prep on the cavities and pin, but they must be cool for this. It lasts ~50 bullets so the pencil may be a better idea, 

Have Fun

Steve

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2frogs posted this 22 December 2021

I was thinking about the touch idea at 43 this morning. Like I said,it should be interesting. Appreciate your comment. This is my first ever..lol.. merry Christmas..

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