Rifleman

A rifleman is a soldier who carries is armed with rifle as his main weapon but he also is in possession of some grenades like for example the AP-Grenade. Riflemen by default carry sandbags which can be used to create a soft defense mainly against other infantry units. It shoould also be noted that in singleplayer missions they have maximum efficiency with Sniper rifles, which is useful if one of your snipers gets killed

American
American riflemen are armed with either the bolt-action Springfield 1903 rifle or the semi-automatic M1 Garand, they are, however, not armed with the M1 Carbine, which is reserved for the Ranger in multiplayer Their load-out also consits of anti-tank and fragmentation grenades, rifle ammo, sandbags and they occasionaly carry smoke grenades.

British
The British riflemen are the backbone of the Commenwealth forces, armed with a Lee-Enfield bolt-action Rifle, however it is incorectly named by the developers as an EM-3. They carry frag and anti-armor grenades, sandbags, rifle ammo and smoke grenades. They excell at long range combat so it is best to remain in cover & keep a fair distence between you and the enemy.