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diff --git a/resources/[inventory]/qs-inventory/html/images/gewehrmuni.png b/resources/[inventory]/qs-inventory/html/images/rifel.png
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diff --git a/resources/[inventory]/qs-inventory/html/images/snipermuni.png b/resources/[inventory]/qs-inventory/html/images/snp_ammo.png
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diff --git a/resources/[inventory]/qs-inventory/html/images/zigmpx.png b/resources/[inventory]/qs-inventory/html/images/zigmpx.png
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diff --git a/resources/[jobs]/[weapons]/force-sling/server/callbacks.lua b/resources/[jobs]/[weapons]/force-sling/server/callbacks.lua
new file mode 100644
index 000000000..71a277c7b
--- /dev/null
+++ b/resources/[jobs]/[weapons]/force-sling/server/callbacks.lua
@@ -0,0 +1,84 @@
+local positions = {}
+local presets = {}
+local positionsFile = 'positions.json'
+local presetsFile = 'presets.json'
+
+-- Load saved positions from JSON file
+local function LoadPositions()
+    local file = LoadResourceFile(GetCurrentResourceName(), 'json/' .. positionsFile)
+    if file then
+        positions = json.decode(file) or {}
+    end
+end
+
+-- Load saved presets from JSON file
+local function LoadPresets()
+    local file = LoadResourceFile(GetCurrentResourceName(), 'json/' .. presetsFile)
+    if file then
+        presets = json.decode(file) or {}
+    end
+end
+
+-- Save positions to JSON file
+local function SavePositions()
+    SaveResourceFile(GetCurrentResourceName(), 'json/' .. positionsFile, json.encode(positions), -1)
+end
+
+-- Save presets to JSON file
+local function SavePresets()
+    SaveResourceFile(GetCurrentResourceName(), 'json/' .. presetsFile, json.encode(presets), -1)
+end
+
+-- Load data when resource starts
+CreateThread(function()
+    LoadPositions()
+    LoadPresets()
+end)
+
+lib.callback.register('force-sling:callback:getCachedPositions', function(source)
+    return positions
+end)
+
+lib.callback.register('force-sling:callback:getCachedPresets', function(source)
+    return presets
+end)
+
+lib.callback.register('force-sling:callback:isPlayerAdmin', function(source)
+    local src = source
+    -- Add your admin check logic here
+    -- Example for QBCore:
+    -- local Player = QBCore.Functions.GetPlayer(src)
+    -- return Player.PlayerData.admin or false
+    
+    -- For testing, returning true
+    return {isAdmin = true}
+end)
+
+lib.callback.register('force-sling:callback:resetWeaponPositions', function(source, weapon)
+    local src = source
+    if weapon then
+        positions[weapon] = nil
+    else
+        positions = {}
+    end
+    SavePositions()
+    return positions
+end)
+
+RegisterNetEvent('force-sling:server:saveWeaponPosition', function(position, rotation, weapon, weaponName, boneId, isPreset)
+    local src = source
+    local data = {
+        coords = position,
+        rot = rotation,
+        boneId = boneId
+    }
+    
+    if isPreset then
+        presets[weaponName] = data
+        SavePresets()
+    else
+        positions[weaponName] = data
+        SavePositions()
+    end
+end)
+