AIL AuGEP FIREARMS ARE DESIGNED AND MANUFACTURED IN RUGER FACTORIES IN THE UNIIfcD STATES OF AMERICA
FIREARMS SAFETY - YOUR RESPONSIBILITY
SAFETY MUST BE THE FIRST AND CONSTANT CONSIDERATION OF EVERY PERSON WHO HANDLES FIREARMS AND AMMUNITION.
This Instruction Manual is designed to assist you in learning how to use and care for your RUGER® MARK II Pistol properly.
Only when you are certain you tully unaersiana me Manual ana 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 particular type of gun safely, then you should seek supervised instruction.
Such personalized instruction is often available from gun dealers, gun clubs or police departments. If none of these sources can help you, write to the National Rifle Association, Washington D.C. 20036. They will assist you.
The person with a gun in his possession has a full-time job. He cannot guess; he cannot forget. He must know how to use his firearm safely. Do not use any firearm without having a complete understanding of its particular characteristics and safe use. Remember: There is no such thing as a foolproof gun.
TABLE OF CONTENTS
General Information and Mechanical Characteristics 3
To Load and Fire 5
Positions of the Safety (Illustrations) 5
To Unload 7
To Extract and Eject a Chambered Cartridge 8
To Clear a Malfunction ("Jam") 8
To Disassemble for Cleaning 9
To Reassemble 10
Sight Adjustment II
Care and Cleaning 12
Periodic Maintenance 13
Service and Parts Policy 13
Parts Drawing 16
The Basic Rules of Safe Firearms Handling 17
Warranty Information 20
WARNINGS OF GREAT IMPORTANCE ARE FOUND ON THE FOLLOWING PAGtS:
Alteration 2 Firing 7
Ammunition 4 Malfunction 8
Bore Obstructions 5 Lubrication 13
Unloading 6 Parts Purchasers 14
Other Cautions and Warnings appear throughout the Manual.
Sturm, Ruger & Company, Inc. will not be responsible for any alteration of any part of this firearm after it leaves our control, or for the addition or substitution of parts or accessories not manufactured by Sturm, Ruger & Company, Inc. This product was designed to function properly in its original condition. Any changes made in this product are specifically contrary to our instructions and we expressly do not authorize any changes to be made after manufacture. Do not jeopardize your safety or the safety of others by making modifications to your firearm.
RUGER is a registered U.S. trademark.
Entire contents copyright 1990 by Sturm, Ruger & Company, Inc.
FIREARMS ARE DANGEROUS WEAPONS-READ THE INSTRUCTIONS AND WARNINGS IN THIS MANUAL THOROUGHLY AND CAREFULLY BEFORE USING THE RUGER PISTOL.
The Ruger Mark II Standard and Mark II Target Models are .22 caliber rimfire, 10-shot, magazine-fed, semi-automatic recoil ('blowback') operated pistols. Both models have the same basic operating mechanism and include the following features with which the gun user should be thoroughly familiar.
Mainspring Housing LATCH
GROOVED FOOT' of MAGAZINE
BOLT STOP PIN
EXTRACTOR FRAME TRIGGER TRIGGER GUARD
Bolt Stop: The boh hold-open mechanism is actuated by the follower button (left side of magazine) when the button is in its topmost position. Thus, when the last shot has been fired and the magazine is empty, the button moves the bolt stop to hold the bolt open. When there is an empty magazine in the pistol and the bolt is retracted manually, the bolt stop will automatically hold the bolt open. If there is a loaded magazine in the pistol or if there is no magazine in the pistol, the user can actuate the bolt stop mechanism to hold the bolt open by retracting the bolt and pushing up the bolt stop.
If there is an empty magazine in place, the bolt stop can be released by drawing back slightly on the bolt and depressing the bolt stop thumbpiece. When the bolt is released, it will move forward under pressure from the recoil spring.
NOTE: If a loaded magazine is inserted in the pistol when the bolt is closed and the bolt is then retracted fully, the bolt stop will not automatically hold open the bolt. However, in such a situation the bolt stop can be manually actuated, by pushing the thumbpiece upwards, to hold the bolt open.
WARNING: The bolt stop is spring-loaded to move downward. Therefore, when there is a loaded magazine in place and the pistol is jarred to the extent that the bolt moves rearward, releasing tension on the bolt stop, the bolt will fly forward and chamber a cartridge. For this reason and as an essential safety practice, the safety of the pistol should always be in the on ("S") position except when the user is positioned to fire the gun at a selected target.
Safety: The safety locks the sear when the safety is "on". Because the safety cannot be moved to "on" ("S" position) unless the hammer is cocked, the safety therefore serves as a cocking indicator. Most importantly, the bolt can be manually retracted and released when the safety is "on" (S). This highly desirable feature allows the pistol to be loaded or unloaded and allows a cartridge to be chambered when the safety is "on" (S). As noted above and elsewhere in this Manual, the safety should be "on" (the "S" fully showing) at all times except when the gun user is deliberately positioned to fire at a selected target See Figures 1 and 2 which illustrate the two positions — "S" and "F" — of the safety.
Magazine: The.JO-shot magazine (Part M-10) for the Mark II pistol is readily identified by the removable plastic bottom decorated with a silver'eagle'. The M-10 is the only magazine which should be used in a Mark II pistol because it is designed to correctly function the bolt stop. The parts drawing (page 16) illustrates how easily the M-10 can be disassembled for cleaning. WARNING: The standard 9-shot, AMC pistol magazine (identified by its non-removable bottom), which is used in Ruger pistols other than the Mark II, should not be used in the Mark II because its follower button will activate the Mark II bolt stop before the last cartridge is stripped from the magazine. Although the 10-shot, M-10 magazine and the 9-shot, AMC magazine are interchangeable in that they will fit into the magazine-well of most Ruger Automatic Pistols, users are warned that "mixing" these magazines of different cartridge capacity can create an unsafe situation. Therefore, do not use an M-10 magazine in pistols designed for use with the AMC magazine, and do not use the AMC magazine in Mark II pistols.
Don't rely on your memory to know if a gun or magazine is loaded. Visually inspect the magazine and the chamber.
WARNING: So that the pistol can be used as a single loader, these pistols will fire whether or not there is a magazine in the gun if there is a cartridge in the chamber. Removing the magazine does not unload the pistol. To unload the pistol, FIRST REMOVE THE MAGAZINE, THEN PULL BOLT FULLY TO THE REAR AND EJECT THE CARTRIDGE. DON'T ASSUME THAT THE CHAMBER IS EMPTY, VISUALLY INSPECT IT EVERY TIME YOU HANDLE THE PISTOL.
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