This item is not included in any spawn asset, but it doesn't necessarily mean that it doesn't spawn naturally on any of the maps.
PS_HMG_Box.dat
GUID afc04ed2fa8b4393b73db823c5e34d3b
Type Magazine
Rarity Rare
ID 10030
Size_X 2
Size_Y 2
Size_Z 0.395
Amount 75
Count_Min 15
Count_Max 35
Calibers 1
Caliber_0 10029
Tracer 19084
Blueprints 3
Blueprint_0_Type Tool
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 18999
Blueprint_0_Supply_0_Amount 1
Blueprint_0_Tool 18999
Blueprint_0_Tool_Critical
Blueprint_0_Build 27
Blueprint_1_Type Ammo
Blueprint_1_Supplies 1
Blueprint_1_Supply_0_ID 10030
Blueprint_1_Build 30
Blueprint_2_Type Tool
Blueprint_2_Supplies 1
Blueprint_2_Supply_0_ID 19542
Blueprint_2_Supply_0_Amount 8
Blueprint_2_Outputs 1
Blueprint_2_Output_0_ID 10030
Blueprint_2_Output_0_Amount 1
Blueprint_2_Tool 19374
Blueprint_2_Tool_Critical
Blueprint_2_Build 27
Use_Auto_Icon_Measurements False
Range 5
Player_Damage 0
Zombie_Damage 8
Animal_Damage 8
Barricade_Damage 1
Structure_Damage 1
Vehicle_Damage 5
Resource_Damage 50
Object_Damage 15
Explosion 19059
Explosive