It's not technique on the reciving end. It's smaller surface area, less mass and greater velocity. That all adds up to equal penetration and that won't throw a person to the floor. Life aint a John Woo movie and all the videos of rich Arabs dropping a .577 won't change that.
"No, it's not a silencer. This little doodad is my own invention. I call it a loudener." --Sledge Hammer