some ww1 rifles ,altough outdated for ww2 standarts, used widely
gewehr 88 : egypt, ethiopia, some balkan countries standart issued it
suitable for tunisia allies or germans on eastern front (captured weapons)
fn mauser model 30 : ethiopians used against italians, can be an event or premium for north african campaign idkn
lebel 1886 and berhier 1892 carbine: like mas, germans also used captured ww1 french rifles
mauser model 89 : also used by balkan and some eastern europe countries
gewehr 98 garben magazine: i already wrote standart gewehr, this model was for trench cleaning in ww1. gewh 98s distributed to volkstrum in late stages of war so suitable for berlin or any other late for campaign, difference than standartg gewh 98 this bad boy can take 20 bullets per magazine
mannlicher schöenauer: also greece and some other balkan countries issued as standart
mauser model 89 :same as schöenauer
fusile modele 1874: used by ethiopia, yugoslav partisans, french resistance, spanish civil war etc…
Typical singleshot 19th bolt action rifle.
can be premium fun to use rifle like berdan 2
some others (not old models)
m44l (soviet berlin or any other late soviet campaign)
fn mauser model 1930: used by belgium, france, yugoslavia,luxembourg
g40k :berlin germans or any other late war german campaign
han type 88/hangyang : chinese and japanese used. can be added to japanese or maybe possible burma campaign idk
north chinese type 30 : also used by japanese and chinese
vz33 puĹźka: czech made rifle, can be given to germans like moscow
type 44 : another underrepresented japanese rifle
edit: two full automatic rifles i have missed. possible premium/event weapons
charlton automatic : fully automatic conversion of the lee enfiled, new zeeland design
m1941 reider automatic rifle : south african design another einfield based full automatic