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.
12g_12_Gauge_FRAG-12_2rnd_Ammo_Belt.dat
GUID b03a6078d5e04c70abd49b10a94213b7
Type Magazine
Rarity Legendary
ID 35804
Size_X 1
Size_Y 1
Size_Z 0.1
Amount 2
Count_Min 2
Count_Max 2
Calibers 1
Caliber_0 35072
Ballistic_Damage_Multiplier 8
Spread 0.35
Tracer 55
Range 3
Player_Damage 35
Zombie_Damage 50
Animal_Damage 50
Barricade_Damage 45
Structure_Damage 50
Vehicle_Damage 35
Resource_Damage 70
Object_Damage 80
Explosion 53
Explosive
Blueprints 5
Blueprint_0_Type Ammo
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 1193
Blueprint_0_Build 30
Blueprint_1_Type Ammo
Blueprint_1_Supplies 1
Blueprint_1_Supply_0_ID 35049
Blueprint_1_Build 30
Blueprint_2_Type Ammo
Blueprint_2_Supplies 1
Blueprint_2_Supply_0_ID 35804
Blueprint_2_Build 30
Blueprint_3_Type Ammo
Blueprint_3_Supplies 1
Blueprint_3_Supply_0_ID 35803
Blueprint_3_Build 30
Blueprint_4_Type Ammo
Blueprint_4_Supplies 1
Blueprint_4_Supply_0_ID 36332
Blueprint_4_Build 30
Use_Auto_Icon_Measurements False