Found the box mine was lot 3160564
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Found the box mine was lot 3160564
@pepper123
Most of those spent cases show pressure signs, especially extractor marks on the heads of the cases.
Take the remaining back to the supplier and ask Hornady for a please explain.
I'd also get your rifle checked by a gunsmith to ensure there is no issue with headspace etc, especially if it's a new rifle.
Cheers
Pete
@pepper
This may help explain head space.
https://en.m.wikipedia.org/wiki/Headspace_(firearms)
Cheers
Pete
@pepper123
Can you post some close up photos of the empty 150gr loads just to be sure there are no early signs of excess pressure with this ammo too.
Cheers
Pete
Here we go ,
https://uploads.tapatalk-cdn.com/201...802eb55d44.jpg
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https://uploads.tapatalk-cdn.com/201...744b227898.jpg
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Over max pressure signs, stop firing that ammo.
I use superformance powder in hand-loads and while it it can be great for velocity there is some extreme batch variation and I have ruined a bit of brass as a result.:(
Check your bolt face for gas etching - a burn ring corresponding to the primer outer circumference.
Potentially a further complaint at the shop you bought the ammo from.
@pepper123
We need to see the other end mate. :)
Cheers
Pete
https://uploads.tapatalk-cdn.com/201...834d3ed4d8.jpg
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@pepper123
Mate there's excess pressure signs in this brass too.
Especially the bottom right hand case and 2nd down on the right have leaking primers and extractor marks in the head stamp.
Others have extractor marks in the head stamp.
I'd take all your ammo back to the supplier along with your rifle and ask for an explanation.
Can you post a photo of your bolt face.
Cheers
Pete
That looks like the same hornady brass? Can we see the Winchester ammo you fired that was ok