What happened?

C

Cappy

CGN Regular
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Location
Alberta
Was out shooting this morning and was shooting one of my sportierized Swedish Mausers. This is a rifle I have a couple 100 rounds through with no problems. Was shooting a new mild load of 140gr Rem PSP's. 1st three shots went off with out a problem. However on shot 4 there felt like 2 stages of the firing pin going forward and a noticable delay of the round going off. Bolt opened okay, recoil felt normal, but the case was extremely dirty and there was carbon all over the rim area of the case and the bolt face is very dirty as well. Any thoughts out there as to what happened? Never had it happen before.
 
Too mild of a load. Pressure wasn't high enough to give a good gas seal with the case. Not unsafe, but dirty has hell.
 
Sounds to me like a "hang fire" Caused by using a powder that does not fill the case and is too slow burning to ignite properly.
Can be dangerous, I suggest you try one of the 4895 powders if you want reduced loads.

brnolvr
 
I'd also check to make sure you didn't have a squib load, leaving the bullet in the leade; a primer-only load has enough power to drive the bullet out of the case, leaving it in the bore, and giving you a NASTY surprise the next shot up; they will also leave a bunch of soot on the case for you.
 
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