diff --git a/addons/csw/XEH_PREP.hpp b/addons/csw/XEH_PREP.hpp
index 36e898913a..cc3545042b 100644
--- a/addons/csw/XEH_PREP.hpp
+++ b/addons/csw/XEH_PREP.hpp
@@ -20,6 +20,7 @@ PREP(canGetIn);
 PREP(getIn);
 
 PREP(compatibleMagazines);
+PREP(getAvailableAmmo);
 PREP(getCarryMagazine);
 PREP(getNearbySources);
 PREP(getSourceCompatibleMagazines);
diff --git a/addons/csw/functions/fnc_getAvailableAmmo.sqf b/addons/csw/functions/fnc_getAvailableAmmo.sqf
new file mode 100644
index 0000000000..cd296eebcb
--- /dev/null
+++ b/addons/csw/functions/fnc_getAvailableAmmo.sqf
@@ -0,0 +1,59 @@
+#include "script_component.hpp"
+/*
+ * Author: LinkIsGrim
+ * Gets available ammo for a CSW
+ *
+ * Arguments:
+ * 0: CSW <OBJECT>
+ * 1: Only loaded magazines <BOOL> (default: false)
+ * 2: Skip ammo from vehicles <BOOL> (default: true)
+ * 3: Include CSW crew <BOOL> (default: true)
+ *
+ * Return Value:
+ * Available Ammo <HashMap>
+ *   Magazine classname <STRING>
+ *   Total Ammo <NUMBER>
+ *
+ * Example:
+ * [cursorObject] call ace_csw_fnc_getAvailableAmmo
+ *
+ * Public: Yes
+ */
+params [["_vehicle", objNull, [objNull]], ["_onlyLoaded", false, [false]], ["_skipVehicles", true, [true]], ["_includeCrew", true, [true]]];
+
+if (isNull _vehicle) exitWith {createHashMap};
+
+private _availableMagazines = createHashMap;
+
+private _fnc_addAmmo = {
+    params ["_magazine", "_ammo"];
+    if !(_magazine in _availableMagazines) then {
+        _availableMagazines set [_magazine, _ammo];
+    } else {
+        _availableMagazines set [_magazine, (_availableMagazines get _magazine) + _ammo];
+    };
+};
+
+{
+    _x params ["_xMag", "", "_xAmmo"];
+
+    private _carryMag = _xMag call FUNC(getCarryMagazine);
+    if (_carryMag isEqualTo "") then {continue};
+
+    [_carryMag, _xAmmo] call _fnc_addAmmo
+} forEach (magazinesAllTurrets _vehicle);
+
+if (_onlyLoaded) exitWith {_availableMagazines};
+
+[QGVAR(clearNearbySourcesCache), []] call CBA_fnc_localEvent;
+private _sources = [_vehicle, _skipVehicles, _includeCrew] call FUNC(getNearbySources);
+if (_sources isEqualTo []) exitWith {_availableMagazines};
+
+{
+    private _source = _x;
+    {
+        _x call _fnc_addAmmo
+    } forEach ([_source, _vehicle] call FUNC(getSourceCompatibleMagazines));
+} forEach _sources;
+
+_availableMagazines // return
diff --git a/addons/csw/functions/fnc_getNearbySources.sqf b/addons/csw/functions/fnc_getNearbySources.sqf
index 22fd19f045..4fb98d1117 100644
--- a/addons/csw/functions/fnc_getNearbySources.sqf
+++ b/addons/csw/functions/fnc_getNearbySources.sqf
@@ -4,7 +4,9 @@
  * Gets available ammo sources for loading a CSW
  *
  * Arguments:
- * 0: Unit attempting to load <OBJECT>
+ * 0: Unit or vehicle attempting to load <OBJECT>
+ * 1: Skip vehicle sources <BOOL> (default: false)
+ * 2: Include CSW crew <BOOL> (default: false)
  *
  * Return Value:
  * Ammo sources <ARRAY of OBJECT>
@@ -14,16 +16,25 @@
  *
  * Public: No
  */
-params ["_unit"];
-
-[_unit, {
-    params ["_unit"];
+[_this, {
+    params ["_unit", ["_skipVehicles", false], ["_includeCrew", false]];
     private _nearSupplies = (_unit nearSupplies 5) select {
         isNull (group _x) ||
         {!([_x] call EFUNC(common,isPlayer)) && {[side group _unit, side group _x] call BIS_fnc_sideIsFriendly}}
     };
 
-    _nearSupplies pushBack _unit;
+    if (_includeCrew) then {
+        _nearSupplies append (crew _unit);
+    };
+
+    if (_skipVehicles) then {
+        _nearSupplies = _nearSupplies select {
+            private _source = _x;
+            (["Ship", "Car", "Air", "Tank"] findIf {_source isKindOf _x}) == -1
+        };
+    };
+
+    _nearSupplies pushBackUnique _unit;
     {
         if (_x isKindOf "CAManBase") then {
             _nearSupplies append [uniformContainer _x, vestContainer _x, backpackContainer _x];
@@ -37,4 +48,4 @@ params ["_unit"];
     } forEach _nearSupplies;
 
     _nearSupplies select {!(_x isKindOf "CAManBase")}  // return
-}, _unit, QGVAR(nearbySourcesCache), NEARBY_SOURCES_CACHE_EXPIRY, QGVAR(clearNearbySourcesCache)] call EFUNC(common,cachedCall);
+}, _this select 0, QGVAR(nearbySourcesCache), NEARBY_SOURCES_CACHE_EXPIRY, QGVAR(clearNearbySourcesCache)] call EFUNC(common,cachedCall);