Oh for Pete's sake everyone gets twisted because he called it a clip...

I own a Remington 6mm ADL and they put them in short action so YES your 243 'clip' (ok it really is a magazine but I could care less) will work. If you find one marked 308 - that'll work too.

When a country is well governed, poverty and a mean condition are something to be ashamed of. When a country is ill governed, riches and honors are something to be ashamed of
. Confucius