R Rich Coyle Well-Known Member Joined Aug 14, 2013 Messages 5,404 Location Grants Pass, Oregon Feb 21, 2016 #1 Which produces a longer neck? Necking down a 7 RUM or .300 RUM to 6.5?
D Darkker Well-Known Member Joined Jun 16, 2014 Messages 199 Location S.E. Washington Feb 21, 2016 #2 Several variables there, but the .30 is a larger step, so there is more metal to move somewhere.