ARVN Paratrooper riflemen. No helmet covers.
From left to right;
Trooper acting as point man. Carrying an M16 with 30 round magazine. 
Trooper carrying a Blooper and spare grenades as well as his folding stock carbine. 
Trooper throwing a grenade and holding an M16.
Trooper with M60 firing. The ammo belt can be cut to length.