M mikael Active Member Joined Jun 15, 2005 Messages 42 Aug 21, 2005 #1 do i nead both headspace gauges, NO and NO-GO when i by reamers fore the 7mm ultra mag
davewilson Well-Known Member Joined Feb 19, 2004 Messages 2,716 Location Pennsyltucky Aug 21, 2005 #2 i'm guessing you mean GO and NO-GO and the answer is yes, you need both.