I resized .223 to 7TCU with a full-length resizing die, loaded a light load, and fireformed 50 rounds a while back. Worked great. Cleaned them up and used my neck sizing die on them tonight, and I am ready to load all 50 pieces this week. Now, even though 50 rounds will last me a while in a single shot pistol, just doing the ladder work ups to see what the best load is will use up another 25 bullets (5 x 5 steps). So I'll already be 3/4 of the way though a box of Sierra Pro Hunters.
Then I decided I'd kind of like to have 100 rounds loaded instead of 50. If I fireform the way I did before, thats another 50 bullets.
So I've been reading up on fireforming using the cream of wheat method. I'm hesitant to do it for several reasons.
1) It looks time consuming. Measure case capacity, load powder at 10% case capacity to start, toilet paper wad seated by hand, cream of wheat, another toilet paper wad seated by hand... 50 times. I bet it's faster and easier to just seat bullets over a starting powder load, just like I did before.
2) Most people "start" at 10% case capacity for the powder load, but usually end up higher. So it's trial and error until you get the cases formed properly. Fireformed with bullets, it's been a one and done thing.
3) Cleaning between rounds because of the non-traditional items going down your barrel.
4) Some claim increased throat erosion. I don't know if that is true or not, but if it is, that would end my interest in doing it.
So... I think I just talked myself out of trying it.
But I'd still like to know if anyone has tried it successfully, and would recommend it over shooting bullets to fireform brass for something like a wildcat cartridge.
All the best,
Glenn
Then I decided I'd kind of like to have 100 rounds loaded instead of 50. If I fireform the way I did before, thats another 50 bullets.
So I've been reading up on fireforming using the cream of wheat method. I'm hesitant to do it for several reasons.
1) It looks time consuming. Measure case capacity, load powder at 10% case capacity to start, toilet paper wad seated by hand, cream of wheat, another toilet paper wad seated by hand... 50 times. I bet it's faster and easier to just seat bullets over a starting powder load, just like I did before.
2) Most people "start" at 10% case capacity for the powder load, but usually end up higher. So it's trial and error until you get the cases formed properly. Fireformed with bullets, it's been a one and done thing.
3) Cleaning between rounds because of the non-traditional items going down your barrel.
4) Some claim increased throat erosion. I don't know if that is true or not, but if it is, that would end my interest in doing it.
So... I think I just talked myself out of trying it.

All the best,
Glenn
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