Component Parts List
See Exploded View on Page 38 for Other Parts Key No. Part Name Part No. 1 Barrel Rib Dowel, Front S-152 2 Barrel Rib Dowel, Rear S-151 4 Barrel Rib Screws, 2 Req'd S-138 5 Barrel Rib Center Screws, 2 Req'd D06101 6 Scope Rings, Low, Sold as Pair S100RL 7 Scope Base Adapter D08800 Includes Key Nos. 7a amp 7b 7a Scope Base Screw, Front D06102 7b Scope Base Screw, Rear D06101
Nomenclature
trigger guard Standard Model Shown Figure 1. Right-handed version shown. In this illustration the cocking piece is shown cocked protruding from the rear of the bolt sleeve . The bolt stop on the left side of the receiver permits the bolt to be withdrawn simply by pulling it out to the left. The safety selector should be in the Load-Unload position when the bolt is being removed or installed. trigger guard Standard Model Shown Figure 1. Right-handed version shown. In this illustration the...
General Information And Mechanical Characteristics
The RUGER M77 MARK tt is a bolt action, magazine fed, repeating rifle. The receiver on all versions of the RUGER M77 MARK tt rifle incorporates integral scope mount bases see the illustration on p. 10 . A set of two steel one-inch scope rings is included. Other notable features of RUGER M77 MARK H rifles include A three-position safety, a fast lock-time steel trigger mechanism, a patented bedding system, quick release hinged floorplate with a newly designed floorplate latch, cut-checkered...
Disassembly
Rifle Must Be Unloaded Prior To Disassembly 1. Keep the rifle pointed in a safe direction Put the safety in the Load-Unload position. 2. CHECK TO BE CERTAIN THAT THE CHAMBER AND MAGAZINE ARE EMPTY. 3. To remove the bolt Open bolt and pull to the rear while at the same time pivoting open the bolt stop which is located on the left side of the receiver on the right-handed version and the right side of the receiver on the left-handed version. This is as far as you need to dismantle the rifle for a...
To Clear A Malfunction Jam
If a jam occurs, immediately put the safety selector in the Load-Unload' position and be certain the muzzle of the rifle is at all times pointing in a safe direction. Then study the situation to determine the nature of the jam and how best to clear it. -If a cartridge or fired case is caught between the bolt and the barrel, or against a cartridge that is in the chamber, open the hinged floor plate and empty the cartridges from the magazine. Then retract the bolt fully and remove the jammed...
M Mark Ii Target Rifle Only
The special model you have selected is specifically designed for long-range precision target shooting. As such, it demands that you take extra safety precautions. The special trigger in the Target version of the RUGER M77 MARK H has a two-stage pull, both for safety and precise placement of shots. Initial movement of the trigger is relatively slack until resistance is felt after approximately 1 8 of travel. Final let-off of the trigger is then crisp and light. You should practice dry-firing an...
ATTACHING WEAVER SCOPE BASE ADAPTER for nonRuger rings
1. Remove the two barrel screws Key Nos. 4 amp 5 as shown in Figure 5a. Do not remove the two remaining screws. 2. Attach the sight base Key No. 7 using the two screws removed in step 1, and the two screws Key Nos. 7a amp 7b provided with the base as shown in Figure 5b. Be careful to locate the screws in the correct holes as shown in Figure 5b. Apply a removable liquid threadlocker per the manufacturer's instructions. The Ruger M77 Mark II Frontier Rifle is a compact rifle with a shorter stock,...
Reassembly
1. To replace the safety assembly a. Place the safety selector detent and safety selector detent spring into the hole in the receiver. b. Set the safety selector in place with its upper section positioned over the center of the receiver tang. c. While holding the safety selector in place with thumb and forefinger while applying downward pressure, slide the safety selector retainer into dovetail from the top. Align the notch in the safety selector retainer with the sear pivot pin hole. a. Place...
To Load And Fire
Practice the important aspects of gun handling described below with an unloaded rifle until you can perform each of the steps with skill and confidence. But before loading the rifle, please read completely through this manual, and be certain the muzzle is pointing in a safe direction. Do not load the rifle until you are ready to use it The following procedure assumes a new rifle with the bolt out . 1. Keep the muzzle pointed in a safe direction See Rule 2, p. 42 . 2. Position the safety...
Locking Device Installation Instructions
Always keep your firearm pointed in a safe direction, including when you are installing or removing your locking device. Always verify that your firearm is completely unloaded before installing your locking device. Do not install locking devices in the trigger guard always keep your fingers, clamp and locking device outside the trigger guard during device installation and removal. Store firearms, ammunition and keys separately and securely, away from children and careless adults do not store...
Sight Picture And Adjustment For Magnum And Express Models Only
Both the Ruger Magnum and Express bolt action rifles are equipped with special Express type folding leaf rear sights mounted on a base dovetailed into the solid barrel rib. The nonfolding leaf is set for approximately 50 yards. Use whichever leaf is appropriate for the type of shooting you anticipate. Changes in elevation can be made by raising or lowering the different sight leaves. Lateral windage adjustment is made by loosening the rear sight base lock screw located atop the rib immediately...
Parts List
Design, prices and specifications subject to change without notice. SPECIFY MODEL AND CALIBER WHEN ORDERING See Exploded Views on Pages 38 - 41 Bolt Stop Plunger Spring Retaining Pin Bolt Stop Plunger Spring Retaining Pin Bolt Stop Stud Screw - Stainless Models Standard, Ultra Light, Left-handed, Express, Magnum, International, Compact Ultra Light, Left-handed, Sporter, Compact All Blued Models All Stainless Models Standard, Ultra Light, Express, Magnum, International, Compact All Blued Models...
A Warningtarget Trigger
This precision Target trigger has been carefully adjusted at the factory to a minimum safe weight of pull part D02202 , overtravel part D02201 , and sear engagement part D02201 . Do not alter any factory setting You can create an unsafe condition and the rifle may fire unexpectedly. You should be especially careful to keep the safety on at all times except when actually firing and keep your finger off the trigger unless you are squeezing it to fire, in order to minimize the possibility of...