The Navy re-barreled their Garands to the .308. We also installed chamber inserts in Garands so they would fire .308 rounds during the Vietnam War.
Ignore the background stuff , we see those on here every day .
I have an odd mix: an ex-GI 03A3 Springfield that's been converted into a target rifle, and a never-was-GI Universal copy of an M1 carbine (much cheaper than a real one):
Eastern bloc progression...........