Tasco TWC3950 World Class 3–9X50 Rifle Scope

OWNER’S GUIDE - Page 4

For TWC3950.

PDF File Manual, 28 pages, Read Online | Download pdf file

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4
MOUNTING YOUR SCOPE
Your new scope, even with its technologically advanced design and features, will not perform at its best if not properly
mounted. One of the most important contributing factors to the accuracy of your scope and rifle is the selection of the
mount and the care with which mounting is done. Dependable mounts are included that attach your scope solidly to the
rifle to provide dependability and consistent accuracy. The supplied mounts are compatible with all Weaver and most
Picatinny style rails.
Remember, not all scopes are compatible with all mounts on all rifles. If there is any doubt in your mind, you should seek
the advice of your local retailer or gunsmith.
WARNING: A RIFLESCOPE SHOULD NEVER BE USED AS A SUBSTITUTE FOR EITHER A BINOCULAR OR
SPOTTING SCOPE. IT MAY RESULT IN YOU INADVERTENTLY POINTING THE GUN AT ANOTHER PERSON.
PRELIMINARY SCOPE ADJUSTMENTS
Before installing the scope, we recommend you set the focus of the eyepiece to fit your individual visual requirement.
Refocusing the ocular distance will result in a sharper reticle focus, an improved optical image, and will help to avoid eye
fatigue when using the scope over prolonged periods of time. To refocus, hold the scope about 3 to 4 inches from your
eye and point at the open sky or other flatly lit area such as a monotone painted wall.
Quickly glance into the scope. If the reticle appears blurred at first glance, it is out of focus. Turn the eyepiece clockwise
or counter clockwise several turns. Glance into the scope again to check the sharpness of the reticle. Remember to take
quick glances, as the eye will compensate for slightly out of focus conditions with prolonged looks. If the reticle still appears
blurred, turn the eyepiece another two or three turns. Repeat this procedure until the reticle is sharp and clearly defined.
Unless your eyes undergo a significant change over the years, you will not have to make this adjustment again.
ATTACHING A MOUNT, RINGS AND SCOPE TO YOUR RIFLE
WARNING: BEFORE BEGINNING THE MOUNTING PROCEDURE, BE SURE THE ACTION IS OPEN, THE CLIP OR
MAGAZINE IS REMOVED AND THE CHAMBER IS CLEAR. DO NOT ATTEMPT ANY WORK UNTIL YOUR FIREARM
HAS BEEN CLEARED AND DETERMINED TO BE SAFE.
WARNING: IF THE SCOPE IS NOT MOUNTED FAR ENOUGH FORWARD, ITS REARWARD MOTION MAY
INJURE THE SHOOTER WHEN THE RIFLE RECOILS.
In mounting your scope, we recommend that you DO NOT take short cuts as it may lead to damage to either the mounting
system or to the scope. Each mounting system will have its own instructions to follow, and it is best to read the instructions
first to be sure you understand them and have the necessary tools on hand.
We further recommend that you plan to go through the mounting procedure twice. The first time, to be sure everything fits
together and functions properly. On the first run through, please keep the following in mind:
Before attaching the base, clean the mounting holes in the receiver and the threads of the attaching screws with acetone
or any good solvent to free them of oil or grease.
If the mount manufacturer has recommended the use of a thread adhesive, do not use it on the first mounting trial. Once
adhesive has set, it is difficult to demount if anything needs correction.
Be sure the mounting screws do not protrude into the receiver or the barrel.
When using dovetail mounts, do not use the scope as a lever when installing the scope. The initial resistance to turning
may cause damage to the scope, and is not covered by the warranty. We recommend using a 1” wooden dowel or metal
cylinder to seat the rings.
Be sure the position of the scope does not interfere with the operation of the action.
Be sure there is at least 1/8” of clearance between the edges of the rings and any protruding surfaces such as the turret
housing (saddle), power selecting ring, and the flare of the objective bell. Also be sure there is at least 1/8” of clearance
between the objective bell and the barrel.
You should test position the scope for the proper eye relief. The scope rings should be left loose enough so that
the scope will slide easily. Variable power scopes should be set at the highest magnification when performing this
procedure. Mount the rifle and look through the scope in your normal shooting position.
Test position the rifle for the proper cheek weld a number of times to ensure that your scope is positioned properly.
When you are satisfied that everything is okay, demount and start again. This time, seat all screws firmly. CAUTION: Do
not overtighten. Recommended torque settings for the included mounting rings are 30-35 lbf*in (pound-force inch) for
the cross-bolts/lugs and 13-15 lbf*in for the ring cap screws.
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