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My primers - how do they look?

Mike_Honcho

Sergeant
Full Member
Minuteman
Aug 21, 2007
2,120
1,708
Primers.jpg
 
Every one looks good besides the bottom left one
 
Let me guess, the rifle is an AW? Mine have that same wide radius to the face of the pin and a sharp edge which will occasionally cause what you see in the lower left.

Primers are a crappy judge of pressure when headspace is on the minimum side.
 
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Look good to me. If you blow one out of the case then you will know it’s over pressure.
 
I see no ejector marks, which are a pretty sensitive indicator of pressure
 
I see a few are slightly cratered, this is normally a bolt face issue, but when primers are flat, this may be on the verge of high pressure.
 
When I look to primers for an indication of high pressure I look to see if the primer has expanded to fill the edge of the primer pocket. Yours look fine. The few with craters are probably more from the bolt face. I also don't see any ejector marks on the case head. How does your load compare to the book maximums?