300BlkTalk

What about thoughts on measurables to gauge a rounds lethality? I'm used to looking a ft-lbs and it makes logical sense that energy on target is the best measurement aside from tumbling and expansion. Am I missing anything? When I look at the landscape of 300blk and loading bulk quantities I'm drawn...

I am curious as to the "lethality" of 300 blk, both sub and super, and specifically which measurables best determine a rounds lethality. Are foot pounds the best measurable to use? Example: We've all heard about the penetration of 220gr subs through sandbags, but in the same breathe that t...