1
Automaton  Best Assault Rifle in CoD Vanguard. Because the Automaton AR has all of the STG's qualities with the bonus of being a tiny bit faster.
2
MP-40  Best SMG in CoD Vanguard. ...
3
Cooper Carbine. ...
4
Vargo-S. ...
5
STG44. ...
6
Whitley  Best LMG in CoD Vanguard. ...
7
Kar98k  Best Sniper Rifle in CoD Vanguard. ...
8
Volk. ...

Here are the best Warzone sniper rifles:

Longbow.
KATT AMR.
KV Inhibitor.
MCPR 300.