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Reloading 223 - How short is too short?


kasen

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I've been trimming cases of .223 (mixed brass from the range) to 1.75 per my reloading manual recommended length. However, a lot of the brass I've collected is shorter than 1.75. I'm mainly reloading using 55gr boat tail, nothing smaller. How to short is too short to reload?

Edited by kasen
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How much shorter than 1.75?

Are you measuring before sizing? They will grow when re-sized. Mine typically grow about .006"/.007".

If you are using a bullet with a cannelure and it will still crimp into it, I think you are fine. Any shorter and I'd start to worry about having enough bullet tension to hold the bullet in place during feeding. But other than that I can see no real danger.

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How much shorter than 1.75?

Are you measuring before sizing? They will grow when re-sized. Mine typically grow about .006"/.007".

If you are using a bullet with a cannelure and it will still crimp into it, I think you are fine. Any shorter and I'd start to worry about having enough bullet tension to hold the bullet in place during feeding. But other than that I can see no real danger.

How much shorter than 1.75? Let's say 1.65 and 55 grain without a cannelure...

I'll give further context, I'm using a Giraud trimmer set at 1.75. Anything that doesn't get trimmed is suspect. There's a lot of mixed brass (not mine) I'd like to use but it's shorter.

Edited by kasen
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I've been wondering this also, I de-prime and resize my brass then go to trim it and some of the brass is as short as 1.740 maybe a little less... stuff thats greater than 1.745 I've been keeping the others I've been tossing in my bad brass ammo can. I use a 550B with Dillon dies.

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How much shorter than 1.75?

Are you measuring before sizing? They will grow when re-sized. Mine typically grow about .006"/.007".

If you are using a bullet with a cannelure and it will still crimp into it, I think you are fine. Any shorter and I'd start to worry about having enough bullet tension to hold the bullet in place during feeding. But other than that I can see no real danger.

How much shorter than 1.75? Let's say 1.65 and 55 grain without a cannelure...

I'll give further context, I'm using a Giraud trimmer set at 1.75. Anything that doesn't get trimmed is suspect. There's a lot of mixed brass (not mine) I'd like to use but it's shorter.

Oops...Sorry I took a vacation on you. Watching this one now. :unsure:

1.65? That's .100" less!

Are you sure that's not a typo? Because there can't be a lot of neck left if that number's right.

That's definitely a lot shorter than I would use. .015/.020 is one thing, even .030, but .100?

I wouldn't use them unless you are single loading in a bolt action. And then I still wouldn't use

them because they just couldn't be very consistent with that much less tension on the bullet.

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