What's the best way to make "Aim Down Sight" for a weapon?

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#1

I’m trying to make an aiming system for my rifle without a “viewmodel”, but the problem is that I do not know any technics for it. I’ve tried some ways to do it with “CFrames” which sort of didn’t work out because the rifle wouldn’t follow the camera’s mouse and instead just lock.

This is an example of the ADS I made which didn’t really worked out:

local Aim_Connection = nil

Mouse.Button2Down:Connect(function()
	if game.Workspace:FindFirstChild(Player.Name):FindFirstChild(Weapon_Tool_Value.Value.Name) then
		local Aim_Part = Handle.Weapon_Parts.Weapon_Slide_Part
		if Aim_Part then
			Weapon_Aiming = true
			Camera.CameraType = Enum.CameraType.Scriptable

			Aim_Connection = game:GetService("RunService").RenderStepped:Connect(function()
				Camera.CFrame = CFrame.new(Aim_Part.Position) * Aim_Part.CFrame.Rotation * CFrame.new(0, 0.1, -0.3)
			end)
		end
	end
end)

Mouse.Button2Up:Connect(function()
	if game.Workspace:FindFirstChild(Player.Name):FindFirstChild(Weapon_Tool_Value.Value.Name) then
		if Weapon_Aiming then
			Weapon_Aiming = false
			if Aim_Connection then
				Aim_Connection:Disconnect()
				Aim_Connection = nil
			end
			Camera.CameraType = Camera.CameraType
		end
	end
end)