ABOUT 300 BLACKOUT BULK AMMO

I'm usually within the mood to master, educate me in this article on this: Would be the seven.62x40mm that same chambering because the Wilson Combat 7.62x40 WT or are we talking about two individual wildcats below? The seven.62x40 WT velocity difference of "a couple hundred FPS" greater than three hundred BO was pulled from their Web site I are lik