6 Dasher thread

I could be wrong, but I think the issue came from when folks were forming dasher brass.

Peterson and Alpha make dasher brass now. I’m pretty sure that brass will work with pretty much any reamer.

They both work in my chamber which was done by a PTG reamer with a .272” neck.
 
I could be wrong, but I think the issue came from when folks were forming dasher brass.

Peterson and Alpha make dasher brass now. I’m pretty sure that brass will work with pretty much any reamer.

They both work in my chamber which was done by a PTG reamer with a .272” neck.
Yes it seemed issues came from forming brass, that was what I was reading as well.
 
I did a lot more digging last night before I read this post and came to the conclusion that the alpha reamer was the way to go.

A lot of guys reporting the reamer working well with other brass as well (Peterson/lapua) with no neck turning.

I would likley go all alpha and make life easy for myself.

Did you get .120 freebore reamer? I was on Mansons site last night just surfing options
I bought a .120 reamer made by alpha. 120 seems perfect for off the lands shooting of the Berger hybrids and 107tmk.

Yea you can use other brass in the alpha chamber too and vice versa.

Alpha is a .274 neck I believe. And has body and neck radiuses that are slight.

I’d avoid a .272 neck for alpha brass in a field rifle. Getting pretty tight
 
I bought a .120 reamer made by alpha. 120 seems perfect for off the lands shooting of the Berger hybrids and 107tmk.

Yea you can use other brass in the alpha chamber too and vice versa.

Alpha is a .274 neck I believe. And has body and neck radiuses that are slight.

I’d avoid a .272 neck for alpha brass in a field rifle. Getting pretty tight
Thanks for laying all this stuff out, good point on the .274 neck. Those are the little details I would overlook.
 
I bought a .120 reamer made by alpha. 120 seems perfect for off the lands shooting of the Berger hybrids and 107tmk.

Yea you can use other brass in the alpha chamber too and vice versa.

Alpha is a .274 neck I believe. And has body and neck radiuses that are slight.

I’d avoid a .272 neck for alpha brass in a field rifle. Getting pretty tight

My howa mini has a .275 neck now, because the arc chamber didn’t clean up fully. We used a chucking reamer to make the whole neck .275” instead of .272”.
 
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