Very Simple Lego Gun Works

Step 1: Step One

Grab one of these

Step 2: Step 2

Grab one of those thing idk what theyer called they look like this

Step 3: Step 3

Grab a little launcher like this one

Step 4: Step 4

Put this in the launcher like this

Step 5: Step5

Add the other piece in like this

Step 6: Your Done