NcSTAR SC430B User Manual

TACTICAL SCOPE SERIES

INSTRUCTIONS

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TACTICAL SCOPE SERIES

1. Ocular Lens

2. Quick Focus Ring

3. Elevation Adjustment & Cap

4. Windage Adjustment & Cap

5. Objective Lens

6. Rheostat Knob for Illuminated Reticle

(SEC430G & SEC3942R)

7. Battery Cap (SEC430G & SEC3942R)

8. Magnification Ring (SC3942B & SEC3942R)

Congratulations on the purchase of your NCSTAR Tactical Scope Series Scope! The Tactical

Scope Series of Scopes give you many great scope choices with many popular scope features.

Backed by a Lifetime Limited Warranty, your NCSTAR Scope will provide you with years of

reliable service. This Owner’s Manual will help you understand all of the features of your new scope.

Follow all instructions carefully before initial use to experience the best performance.

Tactical Scope Series Features

Mounting Your Scope

 CAUTION: BE SURE THAT YOUR FIREARM IS UNLOADED AND POINTED IN A SAFE

firearm. Be sure to follow the Manufacturers Installation Instructions of the scope rings and base
that you choose.

and a comfortable, consistent shooting position. Use the lowest rings possible while ensuring that no
part of the scope is in contact with any part of the firearm. Also, be sure that you can operate all
features of the scope, and that all parts of the firearm function normally without interference from
the scope.

the position to allow for Maximum Eye Relief and reticle leveling. Slide the scope as far forward as
possible in the rings. While viewing through the scope in a normal shooting position move the scope
back towards your eye until a Full Field of View is achieved while ensuring that the scope will be a
safe distance from your eye when the firearm recoils. Without disturbing the Eye Relief setting aim

DIRECTION. PRACTICE SAFE FIREARMS HANDLING PROCEDURES AT ALL TIMES.

 NOTE: IF YOU ARE UNFAMILIAR WITH THE PROCESS OF SCOPE MOUNTING IT MAY

BE NECESSARY TO EMPLOY THE SERVICE OF A QUALIFIED GUNSMITH.

Choosing a proper ring type and height is essential to successfully mounting this scope to your

Mounting your scope as low as possible on the firearm will help to achieve optimum cheek weld

Once you have the scope mounted in the rings (before final tightening) it is necessary to adjust

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the reticle at a plumb line. Align the vertical cross hair of the reticle with the plumb line by rotating
the scope within the rings. Once you are satisfied with your scopes setting and placement tighten
the rings evenly and securely according to the Manufactures Specifications. Be sure not to over
tighten the rings, as doing so can cause permanent damage to the scope.

Focusing Your Scope

 CAUTION: VIEWING THE SUN WITH THIS SCOPE OR ANY OTHER OPTICAL

DEVICE CAN CAUSE PERMANENT INJURY TO THE EYE INCLUDING BLINDNESS

For compact tactical scopes with the quick focus ring feature, follow these next
instructions:

Holding the scope at the proper distance from your eye, in order to achieve a Full Field of View,
the reticle should appear sharp and clear. If not, it will be necessary to adjust the focus by turning
the Quick Focus Ring.

1. Make quick glances through the eyepiece at a

featureless bright surface such as a white wall, or
the open sky.

2. Turning the Quick Focus Ring counter-clockwise will

extend the Ocular Lens outward, generally suitable
for those who are far sighted. Turning the Quick
Focus Ring clockwise will draw the Ocular Lens
inward, generally suitable for those who are near

For compact tactical scopes with the adjustable ocular bell housing focus feature, follow
these instructions:

models with Variable Magnification, the Lock Ring will be located between the Ocular Bell Housing
and the Magnification Ring.

sighted.

3. Fine tune your adjustments until the reticle appears

sharp and clear. If the Ocular Lens reaches its
outer limits of adjustment, be sure not to force it as
doing so will cause damage to the eyepiece.

Just in front of Ocular Bell Housing you will find a knurled ring that is the Lock Ring. With scope

1. This Lock Ring loosens by turning the Lock Ring Clockwise. With the Lock Ring loosened, you

can then turn the Ocular Bell Housing to adjust the Reticle Focus.

2. Make quick glances through the eyepiece at a featureless bright surface such as a white wall,

or the open sky.

3. Turning the Ocular Bell Housing Counter-Clockwise will extend the Ocular Lens outward,

generally suitable for those who are far sighted. Be careful to not turn the Ocular Bell Housing
too far out, as it can come free from the scope body, breaking the O-Ring nitrogen seal. Don’t
go more than 3 to 4 full revolution Counter-Clockwise from the factory position.

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