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.
QBU10 Mag.dat
GUID ef13211921754b6c8dc4afae4249c380
Type Magazine
Rarity Legendary
ID 59076
Size_X 1
Size_Y 1
Size_Z 0.3
Amount 5
Count_Min 3
Count_Max 5
Calibers 1
Caliber_0 56163
Spread 1
Shake 1.1
Recoil_X 1.7
Recoil_Y 1.5
Equipable_Movement_Speed_Multiplier 0.995
Tracer 48
Explosion 55073
Explosive
Blueprints 4
// Belt
Blueprint_0_Type Ammo
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 58359
Blueprint_0_Build 55048
// Lynx mag
Blueprint_1_Type Ammo
Blueprint_1_Supplies 1
Blueprint_1_Supply_0_ID 58232
Blueprint_1_Supply_0_Critical
Blueprint_1_Build 55048
// OSV mag
Blueprint_2_Type Ammo
Blueprint_2_Supplies 1
Blueprint_2_Supply_0_ID 58241
Blueprint_2_Supply_0_Critical
Blueprint_2_Build 55048
// QBU10 mag
Blueprint_3_Type Ammo
Blueprint_3_Supplies 1
Blueprint_3_Supply_0_ID 59076
Blueprint_3_Build 55048