My SA 5403xxx has a NHC Elevation cap/knb w/12 digits. Could this be correct for this SN? THANKS
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My SA 5403xxx has a NHC Elevation cap/knb w/12 digits. Could this be correct for this SN? THANKS
Most post war SA M1s were assembled using the NHC knob than any others. As per Scott Duff . I am not sure what you mean by "12 digits", but other than that, the NHC knob is correct for your serial range.