Sig Sauer 6.5 Creedmoor Brass:

Sig Sauer cases are made from American, premium brass. These casing are rigorously tested to ensure unparalleled durability and dependability. Each casing undergoes rigorous in-line and postproduction quality assurance testing to ensure a flawless casing. This is not loaded ammunition.

Brass Preparation: Brass manufacturers are aware of the case cosmetics and have worked to mitigate it, but due to equipment design, denting may still occur.  .

Specifications of this sig 6.5 creedmoor brass