My Bullet Floats Straight Up?

My Bullets just float straight up into the sky when I shoot

plr = game.Players.LocalPlayer
enabled = true
waittime = 0.1
button = script.Parent

function Fire()
	if enabled then
		enabled = false
		p = Instance.new("Part",workspace)
		p.Name = "Bullet"
		p.BrickColor = plr.TeamColor
		p.CanCollide = false
		p.TopSurface = "Smooth"
		p.BottomSurface = "Smooth"
		p.FormFactor = "Custom"
		p.Size = Vector3.new(0.2,0.2,6)
		mouse = plr:GetMouse()
		pos = script.Parent.Handle.Position
		focus = mouse.Hit.p
		p.CFrame = CFrame.new(pos,focus)
		p.CFrame = p.CFrame+p.CFrame.lookVector*5
		v = Instance.new("BodyVelocity",p)
		v.maxForce = p.CFrame.new(4000,4000,4000)
		v.Velocity = p.CFrame.lookVector*250
		wait(waittime)
		enabled = true
	end
end

script.Parent.Activated:connect(function()
	Fire()
end)

I'm not good with these type of things, but I think it's something to do with your BodyVelocity. It's probably set up wrong, so instead of the bullets going straight, they go up.