Ruger 77/50 User Manual Page 1

INSTRUCTIONMANUALFORRUGER®MODEL 77/50TMINLINE MUZZLELOADING BLACK POWDERPERCUSSION RIFLEFor Product Service on This Model Please Call:(603) 863-3300 (

10responsibility to select the proper lead ball/patch combination of a lubricatedconical lead bullet that fits securely in the bore, yet is not excess

Percussion caps are designedto fire as the result of a blow(“percussion”).A capped rifle loaded withpowder and ball is fullyloaded and will fire if th

12INSERTING THE BOLT1. Be certain the barrel is empty by pointing the muzzle upward towards alight source and glancing through the rear of the action

Know the bore diameter of your rifle you are loading andload projectiles of only correct diameter into it! Either atoo tight or too loose projectile c

14C. Using a dipper or other single-chargemeasure, pour the desired amount ofpowder into the front opening (muzzle) ofthe barrel. (See Fig. 6) Never e

F. Remove the ramrod from under the barrel by pulling it downward out ofits recess in the barrel and then forward (upward) out of the stock andramrod

4. CAPPING THENIPPLE:Remember that thesafest way to carryany loadedmuzzleloading rifleis uncapped. Cap itonly just before youare immediatelyready to f

If this rifle is to be carried loaded, certainprecautions must be observed in the interest ofsafety. It is safest to carry any muzzleloaderwith no per

Black powder is extremely sensitive and apowder charge poured down the barrel afterfiring a shot can readily be ignited by anember of partially burned

Never carry the rifle loaded with thesafety selector in the “FIRE” position. Ifdropped or struck with the safety off, therifle may fire. Such a discha

FIREARMS SAFETY-YOUR RESPONSIBILITYSAFETY MUST BE THE FIRST AND CONSTANTCONSIDERATION OF EVERY PERSON WHOHANDLES FIREARMS AND AMMUNITION.This Instruct

20TO UNLOAD(Keep rifle pointed in a safe direction)Completely unload the rifle immediately when you are finished shooting (byremoving cap, powder and

5. Using the breech plugwrench supplied,carefully unscrew thebreech plug from thechamber. Keep it in thebreech plug wrench andremove it out the rear o

Never clean, lubricate, disassembleor work on a rifle while it is loadedor capped. Never install or removea capped nipple. A capped nipplecan discharg

23Before taking the gun apart, set up to do it properly. Cover the work surface witha soft cloth so that the gun finish (and sights) will not be damag

c. Unscrew the bolt sleevecounterclockwise (Figure 20).d. Remove the boltsleeve assembly. (Figure21).24b. Insert the small end of breech plug wrench h

255. TO REMOVE THE BREECH PLUG:a. Using the supplied breech plugwrench and handle, carefully unscrew(counter-clockwise) and remove thebreech plug/nipp

6. TO REMOVE THE STOCK: (Be certain the bolt has been removed from therifle.)

27CARE AND CLEANINGBLACK POWDER FOULINGThe chemical compounds formed by Black Powder and Pyrodex residue andcertain percussion caps are extremely corr

Firing deposits particles of bullet lubricant and powder in the bore, chamber,bolt, receiver, and other parts of the rifle. There is no fixed rule as

Firing a rifle with oil, grease, a bullet, or anyother material even partially obstructing the boremay result in damage to the rifle and seriousinjury

WARNING–ALTERATIONSThis product was designed tofunction properly in its originalcondition. Alterations can make itunsafe. Do not alter any part or add

30Never place or store any firearm in such amanner that it may be dislodged. Firearmsshould always be stored securely andunloaded, away from children

313. To replace the trigger:a. Rotate safety to “fire” position.b. Place the trigger/sear spring over the dimple in the trigger.c. Assemble the trigge

5. To replace the barrel/receiver assembly into the stock: (Caution: Be certainthat the pivot pins are not protruding from either side of the receiver

c. Slide barrel band overbarrel and rearward ontothe stock forend. Tightenband screw when in place.Replace ramrod in stockthrough thimble underbarrel.

34c. Carefully rotatecounterclockwise untilcocking piece snaps intosmall notch and nofurther!Only when thebolt is correctlyassembled should it beinser

TO CLEAR A MALFUNCTION (“JAM”)If the rifle becomes difficult to operate, this can usually be traced to three basiccauses (followed by the appropriate

MAINTENANCE OFSTAINLESS STEEL COMPONENTSFirearms and components made of stainless steel are relatively more resistant tocorrosion than those of blued

7. The bottom finish of a telescopic sight mounted over the action may bedamaged by hot gasses and cap fragments exiting the breech area when firing.T

38SERVICE AND PARTS POLICYIf you have any question with regard to the performance of your RUGER®MODEL 77/50 rifle please write or call (603-863-3300)

It is the purchaser’s responsibility to be absolutelycertain that any parts ordered from the factory arecorrectly fitted and installed. Firearms areco

The RUGER®MODEL 77/50 is a muzzleloading, percussion rifle intendedfor use with black powder, percussion caps, soft lead and jacketed “saboted”project

40PARTS LIST AND SUGGESTED RETAIL PRICESDesign, prices and specifications subject to change without notice.SPECIFY MODEL AND CALIBER WHEN ORDERINGRUGE

41Receiver J00110 All Models • Not Offered For SaleReceiver Filler Screws, 2 Req’d, Not Illustrated C-83Black 77/50-RS, 77/50-RSO • ea. .50 –Receive

42RUGER®77/50PERCUSSION RIFLEEXPLODED VIEW

43THE BASIC RULES OF SAFE FIREARMS HANDLINGWe believe that Americans have a right to purchase and use firearms for lawfulpurposes. The private ownersh

44A safe direction must take into account the fact that a bullet maypenetrate a wall, ceiling, floor, window, etc., and strike a person ordamage prope

455. BE SURE OF YOURTARGET BEFORE YOUSHOOT.Don’t shoot unless you knowexactly where your bullet is goingto strike. Be sure of the bulletstop behind yo

468. DON’T SHOOT AT AHARD SURFACE, OR ATWATER.Bullets can glance off manysurfaces like rocks or the surfaceof water and travel inunpredictable directi

A BRIEF ACCOUNT OF AN EXTRAORDINARYACHIEVEMENT: RUGER FIREARMSOne of the few American firearms manufacturers whose managementhas remained unchanged si

WHY NO WARRANTY CARD HAS BEENPACKED WITH THIS NEW RUGER FIREARMThe Magnuson-Moss Act (Public Law 93-637) does not require anyseller or manufacturer of

Figure 1. Components frequently referred to are identified. In these photographs the cocking piece isshown cocked (protruding from the rear of the bol

6OPERATION OF SAFETYThe RUGER®MODEL 77/50 rifle has a three position safety. The safetyselector is located at the right of the bolt sleeve.The safety

Keep the safety on unless actually firing. Alwaysmove the safety fully to its intended position andcheck it. The safety has three positions –“SAFE,”“L

Death, serious injury, and damagecan result from the use of wrongammunition, bore obstructions,powder overloads, or incorrectcomponents. Always wearsh

Black Powder is an extremely sensitivepropellant and is readily ignited by heat,spark, static electricity, friction, pressure,impact, etc. Unlike smok