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.
VOG-25 MGL.dat
GUID bd14b376790978a6a2d7ac6a9d9f4fbf
Type Magazine
Rarity Legendary
ID 58221
Size_X 2
Size_Y 2
Size_Z 0.2
Amount 6
Count_Min 3
Count_Max 6
Calibers 1
Caliber_0 56038
Player_Damage 125
Zombie_Damage 125
Animal_Damage 125
Barricade_Damage 200
Structure_Damage 175
Vehicle_Damage 40
Resource_Damage 150
Object_Damage 150
Explosive
Explosion 55013
Impact 137
Range 15
Tracer 55052
Equipable_Movement_Speed_Multiplier 0.995
Delete_Empty
Blueprints 1
// Bundling
Blueprint_0_Type Tool
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 58212
Blueprint_0_Supply_0_Amount 6
Blueprint_0_Build 27