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_Shell_HE.dat
GUID cc370e94ca334c19aaf7e4f5805d1082
Type Magazine
Rarity Epic
ID 19022
Size_X 4
Size_Y 2
Size2_Z 0.425
Amount 1
Calibers 1
Caliber_0 19022
Delete_Empty
Impact 19059
Tracer 19135
Ballistic_Damage_Multiplier 0
Range 11
Player_Damage 200
Zombie_Damage 200
Animal_Damage 200
Barricade_Damage 1100
Structure_Damage 1100
Vehicle_Damage 850
Resource_Damage 200
Object_Damage 200
Explosion 19020
Explosive
Invulnerable