Sigsauer Rotary Diopter Rear Sight Instruction Manual
CONTENTS
®
OWNER’S MANUAL
Reliability. FiRst time, eveRy time.
tm
Optimized for the SIG556® rie, the SIG SAUER® Rotary Diopter
Rear Sight provides four site stations (CQB, 100m, 200m,
300m) with tool-less windage and elevation adjustment. This
sight attaches to the Receiver M1913 Rail and is designed to
work in conjunction with the Hooded Front Sight.
FEATURES
• 4 sight stations (CQB, 100m, 200m, 300m) for accurate
engagement at varying distances
• Tool-less windage and elevation adjustment
• Optimized for M855 and M193 ammunition
• M1913 compatible mounting system
• Front & rear sight co-witness with Mini Red Dot Sight
• Durable steel construction
1. Rotary Diopter Rear Sight 2. Hooded Front Sight
3. Instructions 4. Allen key
INSTRUCTIONS
Mounting the sight:
• Position center of mounting clamp nut approximately 1” from rear
of rail with mounting clamp on left so that sight drum is to rear.
• Tighten clamp nut to secure.
Windage & Elevation Adjustment
• All sight stations are calibrated when sight is properly adjusted at
100, 200 or 300 meter stations. For best results, adjust at the
furthest range available.
• Windage – rotate windage adjustment knob to make corrections:
R (clockwise) moves impact point right;
L (counter-clockwise) moves impact point left.
• Elevation – rotate elevation adjustment knob to make corrections:
DN (left) moves impact point down;
UP (right) moves impact point up.
• Adjustment increments (windage & elevation):
16” barrel: 1 click = 0.5 MOA (0.5” @ 100m)
10” barrel: 1 click = 0.6 MOA (0.6” @ 100m)
• Total range of adjustment (100m)
16” barrel: 34” (0.87m) windage / 25” (0.64m) elevation
10” barrel: 43” (1.1m) windage / 32” (0.82m) elevation
Range settings
• Turn rotary drum left to increase range, right to decrease range.
The sight is designed to prevent inadvertent adjustments
between CQB and 300m settings.
• Close Quarter Battle (CQB) Station – open “V” aperture. Provides
quick target acquisition and engagement out to 100m and beyond.
The CQB station provides a point blank range as follows:
16” barrel: 237m +/-2.5” (+/-63mm)
10” barrel: 227m +/-3.0” (+/-75mm)
• 100m, 200m & 300m Stations: closed apertures optimized for
point of aim/point of impact at their respective ranges.
• For ranges beyond 300m, use 300m Station and adjust point of aim.
ROTARY DIOPTER REAR SIGHT PN 1511512
ROTARY DIOPTER REAR SIGHT
STATEMENT OF LIAbILITY
ROTARY DIOPTER REAR SIGHT
This device is classied as a FIREARMS ACCESSORY and is sold by us with the
specic 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 rearm,
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
modications, (4) defective, improper, hand-loaded, or reloaded ammunition, (5)
corrosion, (6) neglect, or (7) other inuences 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 prots.
HOODED FRONT SIGHT
SIG SAUER® LIMITED LIFETIME WARRANTY
CONTACT
®
SIG SAUER® warrants that the enclosed accessory was originally manufactured free of defects in material,
workmanship and mechanical function. For the lifetime of the original purchaser, SIG SAUER agrees to
correct any defect in the accessory for the original purchaser by repair, adjustment or replacement, at
SIG SAUER’s option, with the same or comparable quality components (or by replacing the accessory at
SIG SAUER’s option); provided, however, that the accessory is returned freight prepaid to SIG SAUER at
18 Industrial Drive, Exeter, NH 03833.
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 upon the original purchaser, which right is not transferable to
any other person. No implied warranties of any kind are made herein and this warranty does not apply to
any accessory items attached or appurtenant to the accessory. In no event shall SIG SAUER be liable for
at incidental or consequential damages arising from or in connection with this limited warranty.
Reliability. FiRst time, eveRy time.
tm
18 Industrial Drive, Exeter, NH 03833
(603) 772-2302 • www.sigsauer.com
INSTRUCTIONS
This xed height sight, adjustable for windage, is required when
using the Rotary Diopter Rear Sight on the SIG556® Rie. The
hooded front sight is standard on certain models.
Existing sight removal (if applicable):
• Rotate front sight screw (left side of rie) counter-clockwise (left)
using 4mm Allen key until front sight is at right side of dovetail.
• Remove spring pin from front sight screw nut (right side of rie)
and remove nut.
• Remove front sight screw and front sight.
Sight installation:
• Insert hooded front sight into dovetail, from right side of rie,
angled face of sight facing forward.
• Insert front sight screw from left and tighten clockwise (right)
using 4mm Allen key until hooded front sight is centered.
• Install front sight screw nut and tighten, aligning spring pin holes.
• Install spring pin through front sight screw and nut to secure.
Windage adjustment:
• Rotate front sight screw clockwise (right) to move impact right.
• Rotate front sight screw counter-clockwise (left) to move impact left.
• One full rotation moves impact approx 1” at 100m.
FRONT
REAR
Elevation
adjustment guide
100m aperture
Windage adjustment guide
Rotary drum
CQB aperture
Elevation
adjustment
knob
Windage adjustment knob
Mounting clamp nut
300m aperture
Mounting clamp
REAR
FRONT
Windage adjustment knob
Spring pin
Front sight screw nut
Angled front
Front sight screw
RIGHT sIdE LEFT sIdE
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