Mosin carbines are not cheap nor are they very light for the length. Carcanos you won’t hit anything. Enfields (ex Jungle Carbine) are generally the lightest, most accurate, and have the most available ammo (though 303 is getting hard to find— still plentiful for hunting purposes.) Some sporters are cheap. Go with one of them I think.
Carcanos you won't hit anything? If your using 264cal bullets perhaps, but if you're doing that you're going about it all wrong...