Not sure what you are referring to as I have not seen the term advertised. I believe they are talking about the fact that any hammer rifle or shotgun has some delay from the time you pull the trigger to the time the hammer actually hits the firing pin. Personally I can't shoot well enough for the millisecond time to make any difference to me. I think this might be of concern to a serious target shooter but that leaves me out. I am a hunter (the same goes for me on trigger pull; which if it is less than five pounds it is great). The trigger thing is likely due to the fact that I competed with a double action revolver and am used to somewhat heavier triggers.