I've only shot one box of these, but had no troubles, for what that is worthy of. Currently being 147 gr, they are doing Have a very lower velocity in comparison to the lighter rounds. Bob explained: Remarkable benefit and quick shipping. No failure to eject or failure to fireside. https://cheap-shotgun-shells17395.blogproducer.com/34867742/the-greatest-guide-to-glock-19-gen-5