This is my first instruction thigny so i might not be absoulty great but the gun is.
Things you need:
Nerf bullet without the velcro thing on it (just take off the tip)
Get you pen and remove the cap and the ink bit.
Get the bullet with no end and the pen tube and put the pointed end of the pen into the bullet but dont do it to far.
put the bullet into the gun and tape it into place.
to load put the bb pellet in the end and pull the trigger.