Tough question!
Looking at what I have, I'd go...
1) Winchester 64 rifle, 30-30 Win.
2) Winchester 71 rifle, 348 Win.
3) 1892 carbine clone (mine is a Rossi) in .357 Mag.
Honorable mention goes to the Marlin 39, but I really like my bolt and semi-auto 22's more.
Take care,
Bob S.