My bullet goes is inaccurate how to fix it?

local Jerry = game.Players.LocalPlayer:GetMouse()  --Localscript
local tool = script.Parent
local origin = script.Parent.meGun.Origins
local debounce = false
local cooldown = 0.2
Jerry.TargetFilter = game.Workspace.Laseronias
Jerry.TargetFilter = origin
script.Parent.Activated:Connect(function()
	if debounce then return end
	debounce = true
	local jerryPos = Jerry.hit.p
	local oPos = origin
	
	game.ReplicatedStorage.RemoteEvent:FireServer(jerryPos,oPos)
	wait(cooldown)
	debounce = false
end)

local debris = game:GetService("Debris")

--This is the Server Script
local function shootbullet(origin,direction,ting)   
	local part = Instance.new("Part")
	part.Parent = game.Workspace.Laseronias
	part.Material = Enum.Material.Neon
	part.BrickColor = BrickColor.new("Gold")
	part.Size = Vector3.new(0.1,0.1,0.1)
	part.Anchored = true
	part.CanCollide = false
	part.Position = origin.Position
	local startPos = part.Position
	for i = 0,1,0.1 do
		wait()
		part.Position = startPos:Lerp(ting,i)
		print("moved")
		print(ting)
	end
end

game.ReplicatedStorage.RemoteEvent.OnServerEvent:Connect(function(player,jP,oP)
	local DEST = (jP-oP.Position).Unit * 999
	local tikn = (jP-oP.Position)
	local Res = workspace:Raycast(oP.Position,DEST)
	local resPart = Res.Instance
	if Res then
		print(Res.Instance.Name)
		if resPart.Parent:FindFirstChild("Humanoid") and resPart.Parent:FindFirstChild("Humanoid") ~= player.Character:FindFirstChild("Humanoid") then
			resPart.Parent:FindFirstChild("Humanoid"):TakeDamage(100)
		end
	end
	shootbullet(oP,DEST,tikn)
end)

So basically where the bullet fires is inaccurate. Here is a clip of what happens: https://gyazo.com/54046a0d5c313f3f7b899ec651476b7c