Ruger P89DC Decocker Instructions Manual

RUGER® P-SERIES
P89DC, P90DC, P91DC, P93DC, P94DC, P944DC
DECOCKER MODEL PISTOLS*
INSTRUCTION
MANUAL 
FOR
BLUED &
STAINLESS
STEELCALIBERS
9mm, 
.40 Auto & .45ACP
For Product Service on This Model Please Call:
(520) 778-6555 (See p. 20)
STURM, RUGER & Company, Inc.
Southport, Connecticut 06490 U.S.A.
THIS INSTRUCTION MANUAL SHOULD ALWAYS ACCOMPANY THIS FIREARM AND BE
TRANSFERRED WITH IT UPON CHANGE OF OWNERSHIP, OR WHEN THE FIREARM IS LOANED
OR PRESENTED TO ANOTHER PERSON
V & KV 2/98
R2
*DO NOT USE THIS...

This Instruction Manual is designed to assist you in learning how to use and care
for your RUGER®P89, P90, P91, P93, P94 and P944 Decocker
Model Pistols properly. Please contact us if you have any questions.
Only when you are certain you fully understand the Manual and can properly
carry out its instructions should you practice loading, unloading, etc. with live
ammunition. If you have any doubts about your ability to handle or use a partic-
ular type of gun safely, you should seek supervised...

WARNING - ALTERATIONS
WARNINGS OF GREAT IMPORTANCE ARE
FOUND ON THE FOLLOWING PAGES:
OTHER CAUTIONS AND WARNINGS APPEAR
THROUGHOUT THE MANUAL.
DO NOT ALTER ANY GUN
Alterations 3 Slide Retraction 12
Decocking Lever 6 Malfunctions 14
Lead Exposure 7 Disassembly 15
Ammunition 8 Lubrication 19
Firing 9 Storage 19
Handling 10 Parts Purchasers 21
Unloading 11
FIREARMS ARE DANGEROUS WEAPONS -
READ THE INSTRUCTIONS AND WARNINGS
IN THIS MANUAL THOROUGHLY AND
CAREFULLY BEFORE USING.
This product was designed to...

NOMENCLATURE
(P91DC Shown)
Action:The action of the Ruger decocker model pistols is of the U.S. M1911 type
that utilizes a tilting barrel design in which the barrel and slide are locked
together at the moment of firing. After firing, the barrel and slide recoil to the
rear a short distance while still locked together. After this initial movement, the
barrel tilts downward from its locked position, permitting full recoil of the slide
and the extraction and ejection of the spent cartridge case.
The user of...

5
Slide Stop:When the last shot has been fired and the magazine is empty, the
slide stop automatically holds the slide open. When there is an empty magazine
in the pistol and the slide is retracted manually, the slide stop will automatically
hold the slide open. If a loaded magazine is inserted in the pistol when the slide
is closed and the slide is then retracted fully, the slide stop will not automatically
hold open the slide. The user can actuate the slide stop mechanism to hold the
slide open at any...

6
DECOCK POSITION
WHEN HELD
DECOCK ONLY
FIRE POSITION
WHEN RELEASED
Operating the decocking lever does not
prevent firing when the trigger is pulled.
Like a double-action revolver, the pistol
will fire whenever the trigger is pulled.
Therefore, never touch the trigger,
whether the pistol is cocked or not,
unless you wish to fire the pistol. Do not
decock the pistol manually - always use
the decocking lever.
DECOCKING LEVER
AUTOMATICALLY RETURNS TO “FIRE”
POSITION WHEN RELEASED
!
FIGURE 1FIGURE 2
DECOCK...

WARNING - LEAD EXPOSURE
AMMUNITION
The RUGER®P89DC, P93DC & P94DC pistols are chambered for the
9mm x 19 Parabellum (9mm Luger) cartridge. Do not attempt to load any other
9mm cartridges (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
cartridges in a 9mm pistol. The .40 S & W cartridges will jam the pistol.
The  RUGER
®P90DC pistol is chambered for the .45 ACP cartridge. Do not
attempt to load any cartridges...

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 31.)
2. Press either magazine latch forward and remove the magazine from the
frame.  NOTE:The magazine is designed to...

4. Insert the magazine into the frame, taking care that the magazine is locked
in place by the magazine latch. Slamming the magazine into the frame
forcibly is not necessary.
5. Hold the pistol firmly in the shooting hand but do not touch the trigger.
Keep the pistol pointed in a safe direction.With the thumb and forefinger of
the other hand grasp the r
earof the slide and pull the slide to the rear as far
as it will go (See Figure 3, below and “Slide Retraction Warning”, p. 12).
When released, the slide...

9.Immediately following the firing of a shot, and if a subsequent shot is not to
be fired at once, depress the decocking lever until the hammer drops while
the pistol is still pointing in a safe direction downrange. Remember that the
pistol can still be fired by a full “double action” trigger pull.
10. 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...