Tips or main components when it comes to making a gun?

Help and Feedback Scripting Support
#1

I’ve recently been wanting to practice my scripting skills by making a gun with recoil, bullet drop, velocity etc. But one thing I am stuck on is what the best way to complete this. I’ve gotten as far as the actual functions and reload, but the bullet properties is what I am stuck on. All I’m asking for is links to material that I could not find or a snippet of a proper gun.

My raycasting and bullet creation

local origin = script.Parent.Handle.End.Position
	local direction = (Position - origin).Unit
	
	local RayParams = RaycastParams.new()
	RayParams.IgnoreWater = true
	
	--print(Target.Name)
	local RayResult = workspace:Raycast(Position, direction, RayParams) 
	local intersection = RayResult and RayResult.Position or origin + direction * 300
	local distance = (origin - intersection).Magnitude

	local bullet_clone = Instance.new("Part")
	bullet_clone.Name = "Bullet"
	bullet_clone.Size = Vector3.new(.08, .08, .08)
	bullet_clone.CFrame = CFrame.new(origin, intersection)
	bullet_clone.Anchored = false
	bullet_clone.Parent = workspace
	
	local BodyVelocity = Instance.new("BodyVelocity")
	BodyVelocity.velocity = bullet_clone.CFrame.LookVector * Velocity
	--print(bullet_clone.CFrame.LookVector)
	BodyVelocity.Parent = bullet_clone

	wait(intersection/Velocity)
	bullet_clone:Destroy()
	local BulletHole = game.ReplicatedStorage.BulletHole
	local BulletHoleCopy = BulletHole:Clone()
	BulletHoleCopy.Position = Position
	BulletHoleCopy.Anchored = true
	
	if Target.Name == "Left" or Target.Name == "Right" then
		BulletHoleCopy.Orientation = Vector3.new(0, 90, 0)
	end	
	
	if Target.Name == "Front" or Target.Name == "Back" then
		BulletHoleCopy.Orientation = Vector3.new(0, 0, 0)
	end	
	
	if Target.Name == "Top" or Target.Name == "Bottom" then
		BulletHoleCopy.Orientation = Vector3.new(90, 0, 0)
	end	
	
	BulletHoleCopy.Parent = workspace	
	
	wait(2)
	BulletHoleCopy:Destroy()
	
	
	if RayResult then
		print("yes")
	end
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