Could you look at these bolt rifle cases for me, trying to figure out why the dents?

[want2learn]

Hi, this is from a bolt action rifle chambered in 6.5x47 Lapua....new barrel. This is the 3rd time i've reloaded these cases. They're Lapua brass. I never exceed the book values for appropriate charge weights and case dimensions.

I'm trying to be very careful and so i took the time to look at all the cases prior to priming them and saw these dents. I circled them so that they'd be easier to see.

The dies are custom honed Forster dies which are pretty new and always cleaned after each session.

I always run a dry patch before a shooting session so it's not residual oil or grease.

Not sure what's causing this. Appreciate your help. thanks

 

[MK20]

Based on location and appearance it would seem that when you resize them you have a little too much lube built up in the shoulder area of your die and it is creating this dent.

I have had this happen before. Just load and shoot and the dent goes away.

 

[straightshooter1]

Agree . . . TOO much lube.

 

[lightman]

I agree, lube dents. They won't hurt anything and will go way when fired. I usually keep a rag near the press when I'm sizing brass and wipe off the shoulder and neck area before sizing.

 

[want2learn]

You are all the best....thank you.

 

[ShtrRdy]

There was another explanation for the dent in the side. It had to do with too little pressure.

 

[aprocast]

Yep negative pressure will suck dents in your cases every time

 

[want2learn]

would you be kind enough to clarify this for me....does this mean that i'm not using enough powder?

I've been shooting 136 gn and 139 gn Lapua projectiles.

I'm running 34.8gn of Varget

The range given on the Hodgdon site for a 136gn projectile ranges from 30.8 to 34.8
and
for the 140gn projectile ranges from 30.9 to 34.9 gn

thanks

 

[aprocast]

Sorry I was being a smartass to the previous poster
Those dents are from too much lube building up in the sizing die

 

[want2learn]

ok, thanks.....you scared me