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.
939_Krebs_AK-939_Extended_30rnd_Magazine.dat
GUID c8d1b06b3fd0403b81bd8ef871140a65
Type Magazine
Rarity Rare
ID 37885
Size_X 1
Size_Y 2
Size_Z 0.235
Amount 30
Count_Min 4
Count_Max 30
Equipable_Movement_Speed_Multiplier 1
Aim_Duration_Multiplier 1
Speed 1
Calibers 1
Caliber_0 35202
Tracer 48
Blueprints 9
Blueprint_0_Type Ammo
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 119
Blueprint_0_Build 30
Blueprint_1_Type Ammo
Blueprint_1_Supplies 1
Blueprint_1_Supply_0_ID 35025
Blueprint_1_Build 30
Blueprint_2_Type Ammo
Blueprint_2_Supplies 1
Blueprint_2_Supply_0_ID 35597
Blueprint_2_Build 30
Blueprint_3_Type Ammo
Blueprint_3_Supplies 1
Blueprint_3_Supply_0_ID 35598
Blueprint_3_Build 30
Blueprint_4_Type Ammo
Blueprint_4_Supplies 1
Blueprint_4_Supply_0_ID 35599
Blueprint_4_Build 30
Blueprint_5_Type Ammo
Blueprint_5_Supplies 1
Blueprint_5_Supply_0_ID 36479
Blueprint_5_Build 30
Blueprint_6_Type Ammo
Blueprint_6_Supplies 1
Blueprint_6_Supply_0_ID 36479
Blueprint_6_Build 30
Blueprint_7_Type Ammo
Blueprint_7_Supplies 1
Blueprint_7_Supply_0_ID 36479
Blueprint_7_Build 30
Blueprint_8_Type Ammo
Blueprint_8_Supplies 1
Blueprint_8_Supply_0_ID 36479
Blueprint_8_Build 30
Use_Auto_Icon_Measurements False