Fire Forming W/O Ejecter

[fe1]

Is there any need for fire forming New Lapua Brass without the ejecter installed in the bolt?
I was told that fire forming with the ejecter installed will make the brass form crooked! Is there any Truth to this?

Thanks in advance.

 

[kelbro]

I fireform AI brass with bullets into the lands so I haven't seen that problem. Sounds kind of believable though if your headspace was off.

 

[Steve Blair]

I fireform AI brass with bullets into the lands so I haven't seen that problem. Sounds kind of believable though if your headspace was off.

[br]
Kelbro has it right. Fireform with jammed bullets and you will be certain of good bolt face contact and case alignment. My match rifles don't have ejectors and I still do it that way.

 

[fe1]

I fireform AI brass with bullets into the lands so I haven't seen that problem. Sounds kind of believable though if your headspace was off.

[br]
Kelbro has it right. Fireform with jammed bullets and you will be certain of good bolt face contact and case alignment. My match rifles don't have ejectors and I still do it that way.

So what would be the minimum jam lenght to form with?

 

[Steve Blair]

So what would be the minimum jam lenght to form with?

[br]
I jam about .010-.015. I'm only looking to push the case back against the bolt face. It doesn't take much without an ejector. You might go for a little more with a plunger ejector. My fire forming is done with moderate loads. Remember to account for the pressure rise from jamming.