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.
12GFL.dat
GUID 6aabb60fbba94796a539fbaac28a5f8d
Type Magazine
Rarity Rare
ID 52358
Pellets 8
Ballistic_Damage_Multiplier 0.875
Spread 0.75
Recoil_X 1
Recoil_Y 1
// Firerate -3
Size_X 1
Size_Y 1
Size_Z 0.1
Amount 6
Count_Min 2
Count_Max 6
Calibers 1
Caliber_0 51007
Tracer 51000
Blueprints 1
Blueprint_0_Type Ammo
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 52358
Blueprint_0_Build 30
Delete_Empty