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_Chainsaw_Mag.dat
GUID 0a6b2526deb74f5292c7db2e33a6f278
Type Magazine
Rarity Legendary
ID 10570
Size_X 2
Size_Y 2
Size_Z 0.3
Amount 250
Count_Min 200
Count_Max 250
Calibers 1
Caliber_0 10569
Tracer 19084
Delete_Empty
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_Supply_0_ID 10570
Blueprint_1_Supplies 1
Blueprint_1_Build 30
Blueprint_2_Type Ammo
Blueprint_2_Supply_0_ID 19944
Blueprint_2_Supplies 1
Blueprint_2_Build 30
Use_Auto_Icon_Measurements True
Range 6
Player_Damage 12
Zombie_Damage 55
Animal_Damage 66
Barricade_Damage 14
Structure_Damage 14
Vehicle_Damage 35
Resource_Damage 222
Object_Damage 25
Explosion 19044
Explosive