Some as falows:
Rifles
M1903 Springfield
M1892-99 Springfield
M1917 Enfield
Lee-Enfield (AEF soldiers in Commonwealth units)
M1918 Browning Automatic Rifle
Winchester Model Lee 1895 (Used by the Navy)
Winchester Model 1895
Winchester Model 1907
Remington Model 8
Berthier rifle (AEF soldiers in French units)
Machine Guns
M1917 Browning Machine Gun
Chauchat
Lewis Gun
Hotchkiss M1909 Benet-Mercie machine gun
Hotchkiss M1914 machine gun
M1895 Colt-Browning machine gun
Vickers machine gun
Shotguns
Winchester M1897
Winchester M1912
Browning Auto-5
Remington Model 10
Grenades
F1 Grenade
Mk 1 grenade
Mk 2 grenadebr
Mills bomb