7mm Rem Mag Freebore/throat?

[brui86]

in the process of building a 7mm Remington Mag. Have a 1-9 kreiger HV barrel on the way and am looking for advice on the best freebore/throat? Will mostly be shooting the 162 A-max. I don't believe my twist will stabalize the 180 gr but anything on down to the 120 Vmax should be ok. Any experience or advice would be great thank you.

 

[yukonal]

Your 9 twist will stabilize 168's and 180's just fine. My 'smith has a 7Mag reamer that puts 168 VLD's where they need to be in the case. Just built a 7 Mag for me that is shooting in the 4's at 100. If you need his info, pm me.

Good luck with your 7 Mag.

 

[brui86]

Already have a smith picked out but thanks for the help.

 

[pburr]

I ordered my own reamer from Pacific Tool which will be optimized for use with Berger 180's. it will come with a free bore of .188 and my smith will use a throating reamer to set it back as needed to adjust to my loaded rounds and allows me to take advantage of powder space. You might want to have a specific load in mind. My barrel is a 9 twist as well and is enough to stabilize 180's but length is also important. I have a 32" barrel.