One of the criticisms evidently leveled at the the BAR was its 20 round magazine. What I am wondering is: if this was indeed recognized as a shortcoming, why didn't someone simply develop a 30 round magazine for the BAR? The 20 round magazine doesn't seem to extend too far below the action, so a magazine that would be approximately half again as long would not seem to extend so far below the rifle that the bipod could not be used. Creating a large capacity magazine would not seem to involve any retooling to the inner working parts of the action either, that I can think of. Any thoughts on this?