1) Remove the magazine.
2) Empty all cartridges from the magazine
3) Pointing the pistol in a safe direction, rack the slide and verify that the
chamber is empty.
4) Replace the magazine.
5) Rack the slide all the way to the rear, ensuring that the striker is now
cocked.
6) Remove the magazine.
7) Now, bear in mind that the recoil spring is under considerable pressure.
Press in slightly on the barrel bushing on the front of the slide and twist
it (I forget whether it's clockwise or counterclockwise) about 1/4 turn. Make
sure to keep pressure on it, or the bushing and the spring are going to go a)
into orbit or b) into your eye.
9) Release pressure slowly and pull the spring (which will be a little
"grabby" on the barrel) and the bushing forward off the front of the slide.
10) Rack the slide and push the safety up into the (forward) disassembly notch
on the slide.
11) Twist the barrel 90 degrees (again, I forget whether it is clockwise or
counterclockwise). This will release the interlocking splines on the barrel
and frame.
12) Push the barrel off the frame, being careful to pay attention to the
striker, which is under a LOT of spring pressure held only by a small tab
against the sear.
13) Once the slide is off the frame, ease the striker and the striker spring
off the sear, being careful not to lose the little guide pin at the rear.
14) Turn the barrel so that the locking splines are facing to the bottom of
the slide and pull the barrel out of the slide.
15) As far as reassembly goes, you need to remember to put the striker,
striker spring, and guide pin into the tunnel in the slide first.
16) Now place the barrel back in the slide, splines pointed down.
17) When you get it in far enough, you will be able to turn it 90 degrees so
that the splines go into the little machined hollow in the side of the slide.
18) You can now push the slide back on to the frame as far as necessary to put
the safety into the disassembly notch.
19) Twist the barrel back into the interlock position with the slide.
20) Push the slide forward, and put in the recoil spring and the barrel
bushing.
21) Replace the magazine (this is important!. . .you can't reseat the striker
unless you do this)
22) Rack the slide to reseat the striker.
