THE BASIC PRINCIPLES OF 300-BLACKOUT-AMMO

I'm normally in the temper to understand, teach me right here on this: Will be the 7.62x40mm that same chambering as being the Wilson Beat seven.62x40 WT or are we referring to two independent wildcats right here? The 7.62x40 WT velocity variance of "a pair hundred FPS" larger than three hundred BO was pulled from their Site I often Assume Monthly