LOL 30 years ago! Thats some funny chit right there.
I like my AR shooting a 60 gr V max.
I also like a bolt gun in .243 shooting a 55 gr Nosler BT.
I also like a bolt .270 shooting a 90 gr Sierra.
I also like a .223 bolt gun shooting a 40 gr V max.
They all work, it just depends what you prefer.