legend of the Black Widow

Concur. There is no way that engineering is going to change a part unless they are sure that it is going to stand up as a replacement. It would only make sense that some weapons were fitted with the BW type grips over a period of time to see how they would stand up to usuage. To say that they could oniy be on a weapon after a certain periods of time does not allow for the necessary testing and field trials.

My thoughts after having worked in a manufacturing enviroment and around a bunch of research and testing engineers. We always field tested new items with the help of organizations that would be using our materials.