6 bra fire form and coal?

[richie3888]

I’m fire forming 6 br Lapua brass to 6 bra. I’m using varget. What weight should I use to fire form? I was told 28-29. Is 28 to light?

Also does anyone have a diagram for 6 bra? I could only find 6 br online.

I’m looking for something like this but in 6 bra

 

[TheOfficeT-Rex]

What bullet? Find 6BR load data for that bullet, and pick the charge in the middle of min and max.

 

[Rocketmandb]

View attachment 7893794I’m fire forming 6 br Lapua brass to 6 bra. I’m using varget. What weight should I use to fire form? I was told 28-29. Is 28 to light?

Also does anyone have a diagram for 6 bra? I could only find 6 br online.

I’m looking for something like this but in 6 bra

I use 29 of H4850, so you can go higher than 28 of Varget. 29-30 would be fine. As to the case diagram, everything is the same except the shoulder-body junction, which is higher up on the BRA due to the shallower shoulder angle. The length, neck-shoulder dimension, etc. is all the same.

EDIT: Assuming 105 gr bullet or so.