Instructions
Read and throughly understand the Kel-Tec PF-9 manual.
Remove the magazine from the PF-9, and check the chamber to ensure there are no cartridges left behind.
Move the slide all the way to the rear; lock it back with the slide stop.
Use a small, thin screwdriver to remove the assembly pin from the left side of the pistol.
Move the slide forward -- and off the pistol -- after releasing the slide stop.
Reach into the pistol frame, and take out the recoil spring and barrel.
Remove the guide rod from the recoil spring to complete the tear-down.