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.
Steel Mag S 277.dat
GUID aeb675e6dc644fb1bcae14fd17e4f4c7
Type Magazine
Rarity Rare
ID 59393
Size_X 1
Size_Y 2
Size_Z 0.3
Amount 10
Count_Min 5
Count_Max 10
Calibers 1
Caliber_0 58141
Spread 1
Shake 1.2
Recoil_X 1.1
Recoil_Y 1.2
Equipable_Movement_Speed_Multiplier 0.995
Tracer 48
Explosion 55075
Explosive
Blueprints 11
// Ammo Box
Blueprint_0_Type Ammo
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 59418
Blueprint_0_Build 55048
// SR25 mag
Blueprint_1_Type Ammo
Blueprint_1_Supplies 1
Blueprint_1_Supply_0_ID 59416
Blueprint_1_Supply_0_Critical
Blueprint_1_Build 55048
// PMAG AR-10 Mag
Blueprint_2_Type Ammo
Blueprint_2_Supplies 1
Blueprint_2_Supply_0_ID 59417
Blueprint_2_Supply_0_Critical
Blueprint_2_Build 55048
// SR25 10rnd mag
Blueprint_3_Type Ammo
Blueprint_3_Supplies 1
Blueprint_3_Supply_0_ID 59393
Blueprint_3_Build 55048
// PMAG AR-10 10rnd Mag
Blueprint_4_Type Ammo
Blueprint_4_Supplies 1
Blueprint_4_Supply_0_ID 59389
Blueprint_4_Supply_0_Critical
Blueprint_4_Build 55048
// L7AWM mag
Blueprint_5_Type Ammo
Blueprint_5_Supplies 1
Blueprint_5_Supply_0_ID 59649
Blueprint_5_Supply_0_Critical
// L7AWM 25rnd mag
Blueprint_6_Type Ammo
Blueprint_6_Supplies 1
Blueprint_6_Supply_0_ID 59789
Blueprint_6_Supply_0_Critical
// L7AWM 10rnd mag
Blueprint_7_Type Ammo
Blueprint_7_Supplies 1
Blueprint_7_Supply_0_ID 59793
Blueprint_7_Supply_0_Critical
// Dark L7AWM mag
Blueprint_8_Type Ammo
Blueprint_8_Supplies 1
Blueprint_8_Supply_0_ID 59797
Blueprint_8_Supply_0_Critical
// Dark L7AWM 25rnd mag
Blueprint_9_Type Ammo
Blueprint_9_Supplies 1
Blueprint_9_Supply_0_ID 59801
Blueprint_9_Supply_0_Critical
// Dark L7AWM 10rnd mag
Blueprint_10_Type Ammo
Blueprint_10_Supplies 1
Blueprint_10_Supply_0_ID 59805
Blueprint_10_Supply_0_Critical