Searching for "M79 Grenade Launcher" returned 10 results:
Weaponry (Weapon), Resident Evil 2
Weaponry (Weapon), Resident Evil Code: Veronica
Weaponry (Ammunition), Resident Evil 2
Weaponry (Weapon), Resident Evil Survivor
Weaponry (Ammunition), Resident Evil Survivor
Weaponry (Ammunition), Resident Evil Code: Veronica