Originally Posted by takagari
Going to have to disagree. Even your explanation tells me that there's just more has directed at the cocking effect. It seems the same amount leaves the striker.
incorrect. The valve knocker is kept down until the slide begins the cycling process. It takes longer for the valve inside the nozzle to close when there is a BB compared to when there isn't one, delaying the cycling process and keeping the magazine valve open longer, therefore using more gas.