STS-081 MINI RED DOT SIGHT
OWNER’S MANUAL
STS-081 MINI RED DOT SIGHT
The STS-081 Mini Red Dot Sight is a versatile and lightweight sighting
solution for handguns, rifles and shotguns. A parallax free 1X red
dot with 4 MOA reticle, coated glass lenses and anodized aluminum
construction ensures optimal performance in the most extreme
conditions. Removable honeycomb filter reduces glare and prevents
lens reflection during bright sunlight applications.
CONTENTS
1. STS-081 Mini Red Dot Sight 2. Owner’s Manual 3. 3V CR2032
Lithium Battery 4. Allen key 5. Rubber lens & reticle cover
FEATURES
•12-position rotary on/off switch
• Windage & elevation adjustments
• Anti-reflex & multilayer band pass optical coating
• M1913/Weaver rail mount
STS-081 MINI RED DOT SIGHT
System
Magnification
Eye Relief
Parallax
Reticle size
Optical coating
Battery type
Battery life, typical
Switch settings
Material housing
Surface finish
Adjustment
Adjustment range
Mounting
Temp range
Water resistance
Length/width
Weight
Passive red dot collimator
1X
Unlimited
free - no centering required
4 MOA (minute of angle)
Anti-reflex & multilayer band pass
(1) 3V CR2032 lithium
8000 hours position 1
1 off / 11 on varying intensities
Extruded aluminum
Anodized
13mm@100m /
+/- 1.4m @ 100 meters windage & elevation
M1913 / Weaver
-5 degrees F to + 130 degrees F
0.5m for 20 minutes
2.7” x 1.7” (68mm x 42mm)
Length 3.0” (76mm) with filter installed
4.5oz / 126g (4.7oz / 132g with filter installed)
1
/2”@100yds
STS-081
REAR
ELEVATION
ADJUSTMENT TURRET
1X MAGNIFICATION 4
MOA RETICLE PASSIVE
RED DOT
WINDAGE
ADJUSTMENT
TURRET
ANODIZED
ALUMINUM
CASE
M1913 / WEAVER
MOUNT
FRONT
ANTI-REFLEX & MULTILAYER BAND PASS
COATING
REMOVABLE
HONEYCOMB
FILTER
ROTARY ON/OFF WITH
11 DAYLIGHT SETTINGS
3V CR2032
LITHIUM BATTERY
8000 HOURS
TYPICAL LIFE
INSTRUCTIONS
Install battery:
• Unscrew battery cover, using coin, then thumb/forenger
• Position battery + facing out
• Reattach battery cover, tighten completely to o-ring
Mounting on firearm:
To mount on M1913/Weaver accessory rail:
• Loosen locking bolt using provided allen key.
• Mount on rail, and secure by tightening locking bolt.
Getting Started:
• STS-081 is ON in switch settings 1 – 11, with varying intensities.
• Adjust red dot windage and elevation by removing turret covers and using
coin or screwdriver - counterclockwise: move impact left/up - clockwise:
move impact right/down. 1 click = 13mm@100m /
once set.
BATTERY HAZARD WARNING
Battery manufacturers warn against mixing new and used batteries or different brand batteries
together as this may increase the risk of leakage, fire or explosion. Do not, puncture, short-circuit,
disassemble or heat batteries above 212°F (100°C). Do not recharge the batteries unless they are
specifically designed as rechargeable batteries and then only in accordance with manufacturer’s
directions.
Lithium Batteries: Industry wide there have been reported incidents of off-brand Lithium batteries
exploding or catching fire creating serious consequences. Sig Sauer, Inc. includes batteries from
Duracell® and other well-known battery manufacturers with its products, and strongly urges you to
only purchase replacement batteries from Duracell®, or other well-known battery manufacturers like
Panasonic® and Rayovac®. These batteries are designed for use in high performance, high-drain
devices, and their designs incorporate fault and heat protection for added safety. Use of inferior
batteries may cause an explosion or fire, creating risk of damage to your device that will void the SIG
Sauer Inc. warranty, cause damage to other property, and potentially serious injury or death.
1
/2”@100 yds. Secure covers
STATEMENT OF LIABILITY
This device is classified as a FIREARMS ACCESSORY and is sold by us with the specific understanding
that we are not responsible in any manner whatsoever for its safe handling or resale under local laws
and regulations. SIG SAUER lnc. shall not be responsible in any manner whatsoever for malfunctioning
of the firearm, for physical injury or for property damage resulting in whole or in part from (I) criminal
or negligent discharge, (2) improper or careless handling, (3) unauthorized modifications, (4) defective, improper, hand-loaded, or reloaded ammunition, (5) corrosion, (6) neglect, or (7) other influences
beyond our direct and immediate control. This limitation applies regardless of whether liability is asserted on the basis of contract, negligence or strict liability (including any failure to warn). Under no
circumstances shall SIG SAUER Inc. be liable for incidental or consequential damages, such as loss of
use of property, commercial loss and loss of earnings or profits.
SIG SAUER® LIMITED ONE YEAR WARRANTY
SIG SAUER® warrants that the enclosed accessory was originally manufactured free of defects
in material, workmanship and mechanical function, and agrees to correct these defects by repair,
adjustment or replacement, at the option of SIG SAUER, with items of the same or comparable quality;
provided, however, that the accessory is returned freight prepaid to SIG SAUER at 18 Industrial Drive,
Exeter, NH 03833 by the original purchaser within one year of the date of purchase.
This limited warranty is null and void if the accessory has been misused, damaged (by accident
or otherwise), or if unauthorized repair or any alteration, including of a cosmetic nature, has been
performed on the accessory. This limited warranty does not apply to normal wear and tear of any parts.
Subject to the foregoing, this limited warranty confers the right to have the covered accessory
or its parts repaired, adjusted or replaced exclusively by the original purchaser, which right is
not transferable to any other person. NO IMPLIED WARRANTIES OF ANY KIND, INCLUDING THE
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE MADE
HEREIN, and this warranty does not apply to any accessory items attached or appurtenant to
this accessory. In no event shall SIG SAUER be liable for incidental or consequential damages
arising from or in connection with this limited warranty.
CONTACT
18 Industrial Drive, Exeter, NH 03833
(603) 772-2302 • www.sigsauer.com
P/N 8500479 Rev. 4/11