Definitely not a 6.5. Neck is far too large. Of the ones you mentioned, seems to resemble 7.5 swiss the most, but at this point I can't rule out 7.5 MAS
VIGILIA PRETIUM LIBERTATIS
"The price of liberty is vigilance"
America is at an awkward stage. It's too late to work within the system, but too early to shoot the bastards.