in Trending Best MP-40 gunsmith loadout in COD Vanguard beta by autobot September 9, 2021, 3:44 am The MP-40 submachine gun has quickly proven to be a standout choice in Call of Duty: Vanguard. Check out what is the best gunsmith class setup for this classic WW2 gun, including the best attachments, perks, Proficiency, and more. www.ginx.tv