The SMG1 is a primary gun used by resistant members and several combine soldiers and metro cops. The gun has two main firing options. These include a primary simple shot which fires around 4 bullets/S. The secondary fire is a grenade launcher which has devistating effect to groups of soldiers. The SMG1 is first found by Gordon Freeman in the City17 canals, while taking on metro cops and manhacks, his third weapon in Half Life 2.