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Sako A7 stiff bolt and leaving marks on the brass
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06-16-2018, 11:28 PM
DiabeticKripple
Join Date: Feb 2012
Location: Blackfalds
Posts: 6,951
Seems like a tight chamber which is causing over pressure issues. The bulges in the cases is called case head extrusion and usually is a sign of high pressure.
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