Thicker brass than winchester or remington. Regulate your loads appropriately. Having said that I'd rate the quality nearly as good Otherwise better than the preceding mentioned. Have gotten 4 reloads off manufacturing unit loaded from the shelf so can’t complain about that and Many of them are reloadable yet again. https://raymondfzqgw.total-blog.com/the-ultimate-guide-to-17-hornet-brass-51764916