Hey Lou this is 7.62x51 innit? Or is it 7.62 CETME?
FR8 is the 7.62 CETME, however being a '98 action (FR7's are '93 type actions), I'd shoot 7.62X51 NATO in a correct, matching bolt, excellent condition FR8 with no issues. I wouldn't do that with any type '93 or '95 action guns.