Red grips? What were you thinking? the grip is the same size as the real deal, the slide is a lot bigger. If you were to do anything as stupid as firing it with the latch open the slide would probably jump open and then crunch down and you'd do anything from break the alloy shell to lose a few fingers. Luckily there's an idiot-proof switch to prevent the trigger engaging but i find it wise never to under-estimate an idiot. PS, firing it with nothing in it is not called "dry-firing", on any spring action airgun the correct term is "buggering it up".