The meatrocket creates an explosion on impact. It does not handle headshots or anything, it just explodes once it detects a physics impact. The explosion has the following parameters: Ent:SetKeyValue("iMagnitude", math.max(8*(team.NumPlayers(TEAM_HUMAN)),40)) Ent:SetKeyValue("iRadiusOverride", 120) I don't know exactly how explosion damage is handled, but as you can see, normally it does 8 * number-of-human-players damage, with a minimum of 40. Range is 120 units (inches I think). The damage behaves a little unpredictable now and then, I never really sorted out what factors are involved. At least it keeps players away from the Behemoth, so it's a good thing.