Don't think of the 300 BLK as a difft round, think of it as a Recycling gun. You can reuse 223 brass that's split the necks and 308 bullets you have lying around.
This is why I want the 7.62x40wt.
JYD#176 "dein Gott schickte mich zu zerstören" "Sic semper evello mortem Tyrannis" "Sometimes the chance of a zombie outbreak is the only reason I need to make many of my life's Decisions." General Delivery