diff --git a/Multiselect/MultiSelect.cs b/Multiselect/MultiSelect.cs
index ffd0725..b5680f7 100644
--- a/Multiselect/MultiSelect.cs
+++ b/Multiselect/MultiSelect.cs
@@ -3,6 +3,7 @@ using EFT.UI;
 using EFT.UI.DragAndDrop;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 using TMPro;
 using UnityEngine;
 
@@ -18,7 +19,7 @@ namespace UIFixes
         private static readonly Dictionary<ItemContextClass, GridItemView> SelectedItems = [];
         private static readonly Dictionary<ItemContextClass, GridItemView> SecondaryItems = [];
 
-        private static ItemContextTaskSerializer UnloadSerializer = null;
+        private static ItemContextTaskSerializer LoadUnloadSerializer = null;
 
         public static bool Enabled
         {
@@ -288,9 +289,29 @@ namespace UIFixes
             }
         }
 
+        public static Task LoadAmmoAll(ItemUiContext itemUiContext, string ammoTemplateId, bool allOrNothing)
+        {
+            StopLoading();
+            if (!allOrNothing || InteractionCount(EItemInfoButton.LoadAmmo, itemUiContext) == Count)
+            {
+                // Call Initialize() before setting UnloadSerializer so that the initial synchronous call to StopProcesses()->StopUnloading() doesn't immediately cancel this
+                var taskSerializer = itemUiContext.gameObject.AddComponent<ItemContextTaskSerializer>();
+                Task result = taskSerializer.Initialize(
+                    SortedItemContexts().Where(ic => ic.Item is MagazineClass && InteractionAvailable(ic, EItemInfoButton.LoadAmmo, itemUiContext)),
+                    itemContext => itemUiContext.LoadAmmoByType(itemContext.Item as MagazineClass, ammoTemplateId, itemContext.UpdateView));
+
+                LoadUnloadSerializer = taskSerializer;
+                itemUiContext.Tooltip?.Close();
+
+                return result;
+            }
+
+            return Task.CompletedTask;
+        }
+
         public static void UnloadAmmoAll(ItemUiContext itemUiContext, bool allOrNothing)
         {
-            StopUnloading();
+            StopLoading();
             if (!allOrNothing || InteractionCount(EItemInfoButton.UnloadAmmo, itemUiContext) == Count)
             {
                 // Call Initialize() before setting UnloadSerializer so that the initial synchronous call to StopProcesses()->StopUnloading() doesn't immediately cancel this
@@ -299,20 +320,20 @@ namespace UIFixes
                     SortedItemContexts().Where(ic => InteractionAvailable(ic, EItemInfoButton.UnloadAmmo, itemUiContext)),
                     itemContext => itemUiContext.UnloadAmmo(itemContext.Item));
 
-                UnloadSerializer = taskSerializer;
+                LoadUnloadSerializer = taskSerializer;
                 itemUiContext.Tooltip?.Close();
             }
         }
 
-        public static void StopUnloading()
+        public static void StopLoading()
         {
-            if (UnloadSerializer == null)
+            if (LoadUnloadSerializer == null)
             {
                 return;
             }
 
-            UnloadSerializer.Cancel();
-            UnloadSerializer = null;
+            LoadUnloadSerializer.Cancel();
+            LoadUnloadSerializer = null;
         }
 
         public static void UnpackAll(ItemUiContext itemUiContext, bool allOrNothing)
diff --git a/Patches/ContextMenuPatches.cs b/Patches/ContextMenuPatches.cs
index 39f2ca0..a47d38f 100644
--- a/Patches/ContextMenuPatches.cs
+++ b/Patches/ContextMenuPatches.cs
@@ -121,6 +121,14 @@ namespace UIFixes
                         ____text.text += " (x" + count + ")";
                     }
                 }
+                else if (caption == EItemInfoButton.LoadAmmo.ToString())
+                {
+                    int count = MultiSelect.InteractionCount(EItemInfoButton.LoadAmmo, ItemUiContext.Instance);
+                    if (count > 0)
+                    {
+                        ____text.text += " (x" + count + ")";
+                    }
+                }
                 else if (caption == EItemInfoButton.UnloadAmmo.ToString())
                 {
                     int count = MultiSelect.InteractionCount(EItemInfoButton.UnloadAmmo, ItemUiContext.Instance);
@@ -136,7 +144,6 @@ namespace UIFixes
                     {
                         ____text.text += " (x" + count + ")";
                     }
-
                 }
             }
         }
diff --git a/Patches/LoadAmmoInRaidPatches.cs b/Patches/LoadAmmoInRaidPatches.cs
index cb39240..c6942ad 100644
--- a/Patches/LoadAmmoInRaidPatches.cs
+++ b/Patches/LoadAmmoInRaidPatches.cs
@@ -69,11 +69,13 @@ namespace UIFixes
                 if (bullets != null)
                 {
                     int count = GridView.smethod_0(magazine, bullets);
-                    inventoryController.LoadMagazine(bullets, magazine, count, false).HandleExceptions();
+                    __result = inventoryController.LoadMagazine(bullets, magazine, count, false);
+                }
+                else
+                {
+                    __result = Task.CompletedTask;
                 }
 
-                // The calling code in this instance doesn't do anything with the task, but it does await it, so if this doesn't return a Task it nullrefs
-                __result = Task.CompletedTask;
                 return false;
             }
         }
diff --git a/Patches/LoadMultipleMagazinesPatches.cs b/Patches/LoadMultipleMagazinesPatches.cs
new file mode 100644
index 0000000..c30dc83
--- /dev/null
+++ b/Patches/LoadMultipleMagazinesPatches.cs
@@ -0,0 +1,89 @@
+using Aki.Reflection.Patching;
+using EFT.InventoryLogic;
+using EFT.UI;
+using HarmonyLib;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+
+namespace UIFixes
+{
+    public static class LoadMultipleMagazinesPatches
+    {
+        private static ItemFilter[] CombinedFilters;
+
+        public static void Enable()
+        {
+            new FindCompatibleAmmoPatch().Enable();
+            new CheckCompatibilityPatch().Enable();
+            new LoadAmmoPatch().Enable();
+        }
+
+        public class FindCompatibleAmmoPatch : ModulePatch
+        {
+            protected override MethodBase GetTargetMethod()
+            {
+                return AccessTools.Method(typeof(ItemUiContext), nameof(ItemUiContext.FindCompatibleAmmo));
+            }
+
+            [PatchPrefix]
+            public static void Prefix(MagazineClass magazine)
+            {
+                if (MultiSelect.Active)
+                {
+                    CombinedFilters = MultiSelect.SortedItemContexts()
+                        .Select(itemContext => itemContext.Item)
+                        .OfType<MagazineClass>()
+                        .SelectMany(mag => mag.Cartridges.Filters)
+                        .ToArray();
+                }
+            }
+
+            [PatchPostfix]
+            public static void Postfix()
+            {
+                CombinedFilters = null;
+            }
+        }
+
+        public class CheckCompatibilityPatch : ModulePatch
+        {
+            protected override MethodBase GetTargetMethod()
+            {
+                return AccessTools.Method(typeof(MagazineClass), nameof(MagazineClass.CheckCompatibility));
+            }
+
+            [PatchPrefix]
+            public static bool Prefix(BulletClass ammo, ref bool __result)
+            {
+                if (CombinedFilters == null)
+                {
+                    return true;
+                }
+
+                __result = CombinedFilters.CheckItemFilter(ammo);
+                return false;
+            }
+        }
+
+        public class LoadAmmoPatch : ModulePatch
+        {
+            protected override MethodBase GetTargetMethod()
+            {
+                return AccessTools.Method(typeof(GClass3043), nameof(GClass3043.method_6));
+            }
+
+            [PatchPrefix]
+            public static bool Prefix(string ammoTemplateId, ref Task __result, ItemUiContext ___itemUiContext_0)
+            {
+                if (!MultiSelect.Active)
+                {
+                    return true;
+                }
+
+                __result = MultiSelect.LoadAmmoAll(___itemUiContext_0, ammoTemplateId, false);
+                return false;
+            }
+        }
+    }
+}
diff --git a/Patches/MultiSelectPatches.cs b/Patches/MultiSelectPatches.cs
index b4b9bf6..0d58637 100644
--- a/Patches/MultiSelectPatches.cs
+++ b/Patches/MultiSelectPatches.cs
@@ -333,7 +333,7 @@ namespace UIFixes
             [PatchPostfix]
             public static void Postfix()
             {
-                MultiSelect.StopUnloading();
+                MultiSelect.StopLoading();
             }
         }
 
diff --git a/Plugin.cs b/Plugin.cs
index e9f553c..8d362be 100644
--- a/Plugin.cs
+++ b/Plugin.cs
@@ -54,6 +54,7 @@ namespace UIFixes
             StackMoveGreedyPatches.Enable();
             UnloadAmmoPatches.Enable();
             new FixTraderControllerSimulateFalsePatch().Enable();
+            LoadMultipleMagazinesPatches.Enable();
         }
 
         public static bool InRaid()