I don't know much about the stand off yet just because this will be my first DL and gasser for that matter. But I did get the DLE 55 for the price of the DL-50 and they are the same I would think, but just bored out some and a bigger piston. So if take away metal to bore it out it would go to say that the weight would be less am I right? I don't know I am asking that seems to be the case I would think????????????