Ruger P89 Instructions Manual

WARNING - MANUAL SAFETY
Placing the safety in an intermediate position
between “safe” and “fire” can result in the user
thinking the pistol is in a safe or fire position
when it is not. Pulling the trigger with the
safety in an intermediate position may cause
the pistol to fire. Therefore, always move the
safety fully
to its intended position and then
checkto be sure it is where you want it to be.
Unless the white dot and the letter “S” are
both
fully visible, the safety is noton. Unless
the red dot is...

AMMUNITION
The RUGER®P89 & P94 pistols are chambered for the 9mm x 19
Parabellum (9mm Luger) cartridge. Do not attempt to load any other 9mm car-
tridges (examples: 9mm short [.380], 9mm Steyr, 9mm Bergmann, etc.) into the
magazine or chamber of the pistol. Never attempt to use caliber .40 S & W car-
tridges in a 9mm pistol. The .40 S & W cartridges will jam the pistol.
The  RUGER
®P90 pistol is chambered for the .45 ACP cartridge. Do not
attempt to load any cartridges other than .45 ACP into the...

TO LOAD AND FIRE (WITH MAGAZINE)
Practice this important aspect of safe gun handling with an unloaded pistol
until you can perform each of the steps described below with skill and
confidence. But before you do anything with the pistol, first read completely
through this manual.
1.Be certain the muzzle is pointed in a safe direction. (See “The Basic Rules of
Safe Firearms Handling,” page 39)
2.Move either the right- or left-hand safety lever fully downward to its “safe”
position so that the letter “S” and...

CAUTION: Firing the KP89X Convertible Model with the incorrect 
barrel and recoil spring combination could result in malfunction or
damage to the firearm. Instructions for removing and replacing the barrel
and recoil spring/guide rod assembly are contained in the “Disassembly”
instructions on page 21.
When firing 9mm cartridges, the barrel marked with the caliber “9mm x 19”
must be used. The correct recoil spring and guide rod combination for 9mm use
is the spring that extends a little over an inch...

WARNING - FIRING
The trigger is inoperable when the safety is fully engaged in its “safe” position
(lever fully down, white dot and letter “S” exposed; see Figure 1 on page 10).
WARNING:The pistol is ready for instant use in the single-action mode once
the slide moves forward if the safety is in the “fire” position. Be careful!
7.If the pistol is not to be fired immediately, the safety should remain in its
“safe” position (see Figure 1, p. 10).
8. If the pistol is to be fired immediately, the manual...

11.Immediately following the firing of a shot, and if a subsequent shot is not to
be fired at once, put the safety in its “safe” position (lever fully down, white
dot and letter “S” exposed) while the pistol is still pointing in a safe direction
downrange. This will also uncock (decock) the pistol.
12. When the last cartridge loaded into the pistol has been fired, the magazine
follower presses the slide stop upward to engage the slide automatically hold-
ing the action open.If the slide is shut, the...

GUN WILL FIRE WITH MAGAZINE OUT 
WARNING - UNLOADING 
So that the pistol can be used as a single loader, it
will fire whether or not a magazine is in the gun if
a cartridge is chambered. Removing magazine
does not unload pistol! To unload, first
remove
magazine, thenpull slide to rear, eject chambered
cartridge, and visually inspect chamber to be sure it is empty.The safety should always be in its “Safe” posi-
tion when loading or unloading the pistol. Always
point the pistol in a safe direction when...

WARNING - SLIDE RETRACTION
3. Hold the pistol firmly and grasp the slide. Retract the slide to its rearmost
position briskly to extract and eject any chambered cartridge. Always double
check visually that the chamber, breech-face, and the interior of the frame
are clear of any live rounds.When the slide is fully retracted, push upward on
the slide stop, then allow the slide to move forward until it comes to rest with
the rear projection of the slide stop resting in the notch on the lower left side
of the...

19
4. To close the slide, again check to be sure the chamber and breech-face are
empty.Pull the slide to its rearmost postion and release it. The slide will snap
forward. Keep fingers out of ejection port on top of slide!
5. If the magazine contains cartridges, they can be removed by sliding each car-
tridge forward and out of magazine, one at a time, until the magazine is
empty.
6. Push empty (unloaded) magazine into frame until magazine latch locks it in
place.
TO RELOAD THE PISTOL
1. Firing all...

cartridge clear of the pistol. These failures usually are the result of the slide not
being pulled rearward vigorously. From the foregoing, it is clear that the gun
user must:
1.Always visually check the chamber and the br
eech-face after opening the slide
to eject a chambered cartridge.If the slide is not vigorously retracted when
being operated by hand, the extracted cartridge can be “ejected” into the mag-
azine-well of the grip frame or remain held to the breech-face by the extrac-
tor.
2. Thor...