Reamer specs for 7 saum ?

[s100whunter]

I am getting parts together for a 7 saum build I will be turning necks and shooting the 180 hybreds,how much freebore and what neck dia

Thanks

 

[rockcreek1]

I am using Norma Brass but I wanted a No-Turn Tight Neck.
.317 Neck
.200 Freebore

That is what Dave at PT&G built me.

It works great for me.


Jim

 

[Phil]

I am using Norma Brass but I wanted a No-Turn Tight Neck.
.317 Neck
.200 Freebore

That is what Dave at PT&G built me.

It works great for me.


Jim

That sounds about right, i`m thinking .188 free bore and maybe a .314 neck, for the 162 Amax, and possibly doing a 7 SAUM AI for a long range varmint gun.