Thread: Necking down 308 to 7mm08

What everyone else said above. I sized down 308 fed brass to 243.
Just got away with it with no neck turning.

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As above for resizing 308 to 7-08.
Case length and neck diameter should be double checked before firing.

Annealing brass is a very simple process that can be accomplished quickly with minimal equipment.

Check out some of the You tube videos on this subject and give it a go.

It's a handy skill for the reloader to learn.

I use this method with very good success, except I air cool the brass.
Water cooling is ok but then you have to dry out your cases before reloading.

Annealing Brass in HD - YouTube

Here's a much more sophisticated annealing set up which accomplishes the same thing.

http://www.youtube.com/watch?v=yec8Yy3fEdg

Cheers
Pete

Originally Posted by P38

As above for resizing 308 to 7-08.
Case length and neck diameter should be double checked before firing.

Annealing brass is a very simple process that can be accomplished quickly with minimal equipment.

Check out some of the You tube videos on this subject and give it a go.

It's a handy skill for the reloader to learn.

I use this method with very good success, except I air cool the brass.
Water cooling is ok but then you have to dry out your cases before reloading.

Annealing Brass in HD - YouTube

Here's a much more sophisticated annealing set up which accomplishes the same thing.

Annealing brass cases,. - YouTube

Cheers
Pete

Thanks P38. So from what I've read and seen on YouTube about annealing its to release the tension in the brass and make it less brittle? That about right? Also apparently air and water cooling can have pretty different results. Based on this thread I don't think it would be needed but I'll do more reading and see.

I'd like to possibly convert my 223 to a 17-223 in the future so any little reloading tricks I can add to my collection like that will definitely get played with.

What was the reason for necking down from 308 to 243?,jjust curious

Originally Posted by Neckshot

What was the reason for necking down from 308 to 243?,jjust curious

I had lots of 308 fed brass and no 243.

sweet