I love the 7.62x51mm round, and think 5.56x45mm is only popular because AR15s are cheap and plentiful (with lots of Barbie accessories to look cool).
JYD #123 The great one formerly known as Architect.
I am now a fictional British television police officer (currently a Detective Sgt) at Thames Valley Station. My governor is Detective Inspector Fred Thursday and it’s 1969.