diff --git a/addons/csw/XEH_PREP.hpp b/addons/csw/XEH_PREP.hpp
index cc3545042b..7985e2aff9 100644
--- a/addons/csw/XEH_PREP.hpp
+++ b/addons/csw/XEH_PREP.hpp
@@ -5,6 +5,7 @@ PREP(aceRearmGetCarryMagazines);
 PREP(ai_handleFired);
 PREP(ai_handleGetIn);
 PREP(ai_reload);
+PREP(ai_unloadMagazines);
 
 PREP(assemble_canDeployTripod);
 PREP(assemble_canDeployWeapon);
diff --git a/addons/csw/functions/fnc_ai_reload.sqf b/addons/csw/functions/fnc_ai_reload.sqf
index b3429c1167..3b53d3c71c 100644
--- a/addons/csw/functions/fnc_ai_reload.sqf
+++ b/addons/csw/functions/fnc_ai_reload.sqf
@@ -6,38 +6,50 @@
  * Arguments:
  * 0: CSW <OBJECT>
  * 1: Gunner <OBJECT>
- * 2: Weapon <STRING>
+ * 2: Skip reload time <BOOL> (default: false)
  *
  * Return Value:
  * None
  *
  * Public: No
  */
-params ["_vehicle", "_gunner", "_weapon"];
-TRACE_3("AI reload",_vehicle,_gunner,_weapon);
+params ["_vehicle", "_gunner", ["_instantReload", false]];
+TRACE_3("AI reload",_vehicle,_gunner,_instantReload);
 
 private _loadableMagazines = [_vehicle, _gunner, true] call FUNC(reload_getLoadableMagazines);
 if (_loadableMagazines isEqualTo []) exitWith {TRACE_1("could not find reloadable mag",_vehicle)};
 
+// API, to be used by artillerytables
+private _forcedMag = _vehicle getVariable [QGVAR(forcedMag), ""];
+
+// If this is called while CSW has ammo, unload mags in gunner's turret
+if (someAmmo _vehicle) then {[_vehicle, _gunner, [_gunner] call EFUNC(common,getTurretIndex)] call FUNC(ai_unloadMagazine)};
+
 private _bestAmmo = 0;
 private _magazineInfo = [];
 {
-    _x params ["", "", "", "", "", "_ammo"];
+    _x params ["_xMag", "", "", "", "", "_ammo"];
+    if (_forcedMag isNotEqualTo "" && {_xMag != _forcedMag}) then {continue};
     if (_ammo > _bestAmmo) then {
         _bestAmmo = _ammo;
         _magazineInfo = _x;
     };
 } forEach _loadableMagazines;
 
+if (_magazineInfo isEqualTo []) exitWith {};
 _magazineInfo params ["_carryMag", "_turretPath", "_loadInfo", "_magSource", "", "_ammo"];
 
 // Remove the mag from the source
 [_magSource, _carryMag, _ammo] call EFUNC(common,removeSpecificMagazine);
 
-// see fnc_reload_loadMagazine #L54
 // AI never returns ammo and removes the magazine before reloading, so we can skip distance and weaponHolder checks
 private _eventParams = [_vehicle, _turretPath, objNull, _carryMag, _ammo, _gunner];
 
+if (_instantReload) exitWith {
+    TRACE_1("calling addTurretMag event: instant AI reload",_this);
+    [QGVAR(addTurretMag), _eventParams] call CBA_fnc_globalEvent;
+};
+
 private _timeToLoad = GET_NUMBER(configOf _vehicle >> QUOTE(ADDON) >> "ammoLoadTime", 1);
 
 TRACE_1("Reloading in progress",_timeToLoad);
diff --git a/addons/csw/functions/fnc_ai_unloadMagazines.sqf b/addons/csw/functions/fnc_ai_unloadMagazines.sqf
new file mode 100644
index 0000000000..544944dd59
--- /dev/null
+++ b/addons/csw/functions/fnc_ai_unloadMagazines.sqf
@@ -0,0 +1,43 @@
+#include "script_component.hpp"
+/*
+ * Author: LinkIsGrim
+ * Switch loaded magazine on an AI CSW
+ *
+ * Arguments:
+ * 0: CSW <OBJECT>
+ * 1: Gunner <OBJECT>
+ * 2: Turret Path <ARRAY>
+ *
+ * Return Value:
+ * None
+ *
+ * Public: No
+ */
+params ["_vehicle", "_gunner", "_turretPath"];
+
+private _magsToRemove = [];
+private _containerMagazineClassnames = [];
+private _containerMagazineCount = [];
+
+{
+    _x params ["_xMag", "_xTurret", "_xAmmo"];
+    if (_xTurret isNotEqualTo _turretPath) then {continue};
+    private _carryMag = _xMag call FUNC(getCarryMagazine);
+    if (_carryMag != "") then {
+        _magsToRemove pushBackUnique [_xMag, _xTurret];
+        private _index = _containerMagazineClassnames find _carryMag;
+        if (_index < 0) then {
+            _index = _containerMagazineClassnames pushBack _carryMag;
+            _containerMagazineCount pushBack 0;
+        };
+        _containerMagazineCount set [_index, (_containerMagazineCount select _index) + _xAmmo];
+    };
+} forEach (_vehicle magazinesAllTurrets _vehicle);
+
+{
+    _vehicle removeMagazinesTurret _x;
+} forEach _magsToRemove;
+
+{
+    [_vehicle, _x, _containerMagazineCount select _forEachIndex] call FUNC(reload_handleReturnAmmo);
+} forEach _containerMagazineClassnames;