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Yes Itll be a solid mold. A little taper makes sense. My cores are going to be less than 1/2" long and 0.348 in dia

im interpolating the bores ruff undersize to 0.347 (hone to size). If they taper...

Whatever fills out the best and doesn't stick too bad

The only venting that can be done is under the spur plate

First of all, I'm a machinist so I don't care what's easier to machine or get a better finish.

I only care what metal works the best with 100% pure lead (I'm swaging slugs)

I have on hand 6061...

First was 300blackout from 223
now I'm doing 410ga from 303brit

http://i46.photobucket.com/albums/f107/tattooed_climber/116200E7-3178-451A-8E2A-6B2F5CD3F6F7-9025-00000C3779C5732E_zps801ad49c.jpg

Old picture. More stuff on the bench now

IDZ;

thanks alot for posting those plans, my machining to-do list has grown alot since joining this forum

i know. 0.2190 derimming is next

i ended up making 8 4140 die bodies, and this derimming was just an experiment, i pumped though about 100 22lr that were in my junk brass bucket and all derimmed...

blast furnace it is. i have an oxy-ace torch and a rosebud, but i'd rather get them sent out and done proper. i have afew muzzle breaks (and other gun parts) i've made i wont mind getting hardened...

thanks for the info...

I do have a few chucks of O1 but still Im going to use 4140 for a majority of the work.

well, Im making the die bodies today, going to pump out ten or so, so i'll make an...

So Im about to start making my 224 dies soon and I was curious about afew diameters. I'm hoping for some input to help avoid as much trial-n-error as possible.

-What diameter to make my d-reamer...