Headspace gauges are for ALL guns especially BELT FEDS.
So my USGI issue 5.56mm FIELD gauge which is cutout for the extractor and ejector is now inaccurate because the
'interwebs' said so. Which way is it inaccurate? Does it say headspace is too tight when it's really excessive or is it indicating it's too big when it's still safe? Or do you not really know?
Military GO 1.4646" - 1.4648"
Military NOGO 1.4704" - 1.4706"
Military FIELD 1.4728" - 1.4730"
Colt's FIELD II 1.4736" 1.4736"
For those curious about belt fed head space.
M249 SAW GO 1.4940" - 1.4947"
M249 SAW NOGO 1.4980" - 1.4982"
M249 SAW FIELD 1.50196" - 1.50216"
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