false shoulders are easy to form. just neck up to 30cal. then back off your 6.8 die a half turn or a little more and partial resize the neck leaving a false shoulder, keep lowering your die until the case fits snug when closing your bolt. this method will draw the brass from the neck and almost...
built a 30-6.8W right after the 6.8 prints became available and it has only shot Norma 7saum brass, on 12th reload and holding its own but getting tired. highly recommend using the false shoulder method of fire forming not the bullet jam method. never used any of the factory brass so have no...