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.
12755_ASH-12_Std_20rnd_Magazine.dat
GUID 914bf8038f764e32bafb7c7f8fa21b37
Type Magazine
Rarity Legendary
ID 35630
Size_X 1
Size_Y 2
Size_Z 0.285
Amount 20
Count_Min 8
Count_Max 20
Equipable_Movement_Speed_Multiplier 1
Aim_Duration_Multiplier 1
Speed 1
Calibers 1
Caliber_0 35042
Tracer 48
Blueprints 6
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 35027
Blueprint_1_Build 30
Blueprint_2_Type Ammo
Blueprint_2_Supplies 1
Blueprint_2_Supply_0_ID 35629
Blueprint_2_Build 30
Blueprint_3_Type Ammo
Blueprint_3_Supplies 1
Blueprint_3_Supply_0_ID 35630
Blueprint_3_Build 30
Blueprint_4_Type Ammo
Blueprint_4_Supplies 1
Blueprint_4_Supply_0_ID 36536
Blueprint_4_Build 30
Blueprint_5_Type Ammo
Blueprint_5_Supplies 1
Blueprint_5_Supply_0_ID 36443
Blueprint_5_Build 30
Use_Auto_Icon_Measurements False