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Only trying to clear up that most blades are under 3 inches and that in all the time I have dealt with SRs I have never, ever heard as 3 ins being a 'standard' width, because it is not.

Over the...

Strictly speaking the blade is the cutting piece which is nearly always under 3 inches, say 2.75 inches on average. The tang (the part you grip) and the tail length are not part of blade size.
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