Thicker brass than winchester or remington. Modify your masses accordingly. Having said that I'd rate the quality nearly as good if not much better than the past stated. I discovered this could be prevented, both by lowering velocity or using the Hornady 25 grainers. Becoming thin- jacketed manufactured the Remington https://charliegxodt.blogsvirals.com/26398047/rumored-buzz-on-17-hornet-brass