Why is my Hornady 6.5 Creedmoor brass cracking/scratching on the shoulder

25 WSSM Brass Quality Marlin Firearms Forum

Am I over cleaning my brass??

Stainless pins and 6.5mm Necks

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Buckling brass below the shoulder - Is this from too much lube? Happening even when only using hornady unique on bottom half of the case. Can't get proper shoulder bump without this

The Mountain State Sportsmen's Association – Technical Tips

Did i ruin my brass?

6.5 CM cases splitting at the base of the shoulder.

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6.5 creedmoor mushroomed at shoulder

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Shoulder / Headspacing questions 6.5 Creedmoor

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Lethal Ground: Increasing Infantry Range