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Posted: 12/4/2012 7:22:25 AM EDT
These are range pickups and not from anything of mine, but does anybody have a clue what would cause this? Not sure if reloads or not.
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From my experience either the cases are just worn out, the chamber is slightly oversized, or both.
I have 45 ACP brass from the 70's that has been reloaded many, many times. Eventually they split. I have seen an old S&W M&P 38 Special revolver that had a a lot of wear and it would split the cases (yet did seem to align the chambers perfectly with the bore). |
Most likely from age  I still have a bunch of Remington 45acp hollow point defense ammo from early to late '80s, that are already splitting while just sitting in the box. I think, it's from the excessive crimp they put at the base of the bullet to prevent setback. I shot a couple of the already split cased rounds out of my Glock 36 just for the heck of it, and they shot fine, I wouldn't do that again though 
GlockMonk 
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