GR9

The HMG1 is a weapon cut from Half-Life 2. It can be found in the playable Half-Life 2 Beta.

The HMG1 (Heavy Machine Gun) is the only gun that uses Heavy rounds. It has horrid accuracy and can be switched to fire three round bursts. Strangely, each burst will only eat up one unit of ammo. Even in burst-fire mode, it will continue to fire as long as the player holds down the fire key. In addition, the weapon is very powerful, being able to kill a Combine soldier in only a couple of shots.

The HMG1 is based off of the rare H&K GR9 machine gun. There is an older HMG1 model named "v_hkgr9.mdl", which is a much less detailed version of the HMG model.

The 1 in the HMG1's name hints that there was supposed to be another HMG, but there is no sign of it in the Beta.

In the final version, the Combine Soldier still has a firing animation for the HMG1, but is unused.