Hope you don't get tired of these questions, but I haven't a clue what would have caused these lines on the neck and upper portion of this .308 brass. If I were to guess, I'd guess it was fired in a machine gun or this brass was used for blanks. The photo may not show it clearly, but these are not just powder marks, the brass actually has fine lines embedded in the brass. This brass was given to me and was already primed and resized when I received it. There were also some pieces that looked like they had been reloaded and fired (the auto dent was pushed out) so it appears safe to use but then again thought I would check with you all first. Any ideas?
What Caused This?
- Thread starter PCCUSNRET
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It's safe to reload then? Thanks!
Thanks!
surbat6
Member
As the previous posters said, the grooves were caused by firing in a fluted chamber. The chamber flutes aid primary extraction in a semi-automatic delayed-blowback high powered rifle such as the HK91, G3, PTR91, HK770, HKSL7 and SIG AMT. IMO, these cases are safe to reload. I've gotten multiple reloads from cases fired in my HK91 (when I could find them! The rifle shoots empties almost as far as the bullets).
Messenger Guard
Member
My HK 91 leaves those freaky swirl twists on the brass. Clones like the PTR and CETME will do the same.
evan price
Member
HK fluted chamber. Clean them up nice and then they will reload fine, next firing in a regular chamber usually pushes them out.
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