7 Saum Bushing

[mdmp5]

Anyone using Norma brass for 7 Saum and using bushing dies? If so, what size are you using?

 

[Milo 2.5]

I have never handled a pc of Norma 7 saum brass, but a guy on 6BR swears by a .313" with Norma. I'd also pick up a .312" as I have always thought Norma necks to be softer than other brands.

 

[Sheldon N]

My Norma 7 SAUM measures around .3145 to .315 loaded round OD at the neck. I'd lean towards a .313 or .314 bushing. I like 0.001 neck tension for this brass, 0.002 neck tension has a ton of seating force even with annealed brass.

 

[Steel head]

My Norma 7 SAUM measures around .3145 to .315 loaded round OD at the neck. I'd lean towards a .313 or .314 bushing. I like 0.001 neck tension for this brass, 0.002 neck tension has a ton of seating force even with annealed brass.

Out of curiosity what is the fired neck dimension?

I’m researching 7 saum and I see two reamers with different neck dimensions.

 

[Sheldon N]

Out of curiosity what is the fired neck dimension?

.320

 

[mdmp5]

Awesome. Thank you everyone

 

[mdmp5]

Out of curiosity what is the fired neck dimension?

I’m researching 7 saum and I see two reamers with different neck dimensions.

I just shot some rounds the other day, and my fired neck dimension turned out to be 322