Thread: Pushing 308 to 300WM speeds.

there is/was a new type of case being bandied around about a year ago..special forces round in 6.8mm ??? has steel head and brass body to withstand much higher pressure than normal. the technology is there to do the high pressure thing,Ive always thought a thick walled case was a feasable idea,sort of take the belt on likes of 7mm magnum all the way from head to shoulder to enclose the bit that stretches /gives out.