How can that be unless you are handicaping the 404 and promoting the 10.75x68. Capacity has a bearing and a smaller case can never equal a larger for performance unless there is a higher pressure in the smaller and that can not make it equal. What sort of pressures are you anticipating to get 2300fps-2350fps (RWS load) from the 10.75x68? In the same way a 30-06 can not be equal to a 300 Mag or a 7x57 to a 7mm Rem mag.

Von Gruff.