A SECRET WEAPON FOR 300-BLACKOUT-AMMO

I am constantly while in the temper to learn, educate me below on this: Is definitely the 7.62x40mm that very same chambering given that the Wilson Combat 7.62x40 WT or are we speaking about two different wildcats below? The seven.62x40 WT velocity change of "a few hundred FPS" higher than three hundred BO was pulled from their Site I are inclined