In addition you might want to make use of a firm Crimp just after seating on subsonic loads. I like Lee collet crimp . Crimp will enormously Increase the consistency and lower team dimension . Just warning when looking with .three hundred Blackout subsonic rounds. All those hundreds can be https://brass300blackout85118.blogofoto.com/68935361/the-definitive-guide-to-300-blackout-brass