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OPTIC CONFIGURATION 

 

The  EOTECH Holographic Weapon Sight (HWS) 

product line has two different heights above the rail 

based on user preference.  For this reason, the mag-

nifier does not come preassembled to the mount. 

It is user configurable based on the specific model 

HWS it will be mounted behind. The 7mm riser, 

included, may be required to align the magnifier 

optical axis with the sight. Only HWS models with 

side buttons or quick detach levers require the use of 

the riser. For all other HWS models, the riser should 

not be used. 

The magnifier system can be configured to switch to the left or to the right based on shooting preference. 

Typically, right handed shooters prefer the mount to switch to the left, and left handed shooters to the right. 

To configure your HWS you will need a screwdriver (not included). If the spacer is not used, the shorter 

screws should be selected. The longer screws are used with the spacer only. If the spacer is being used, place 

the spacer on the optic mounting interface.  Open the STS mount. Position the mount on the optic mount 

interface (or riser) so it opens either to the left or right (based on preference). Insert each screw through the 

components, and tighten securely. 

INTRODUCTION

Thank you for purchasing EOTECH’s new Generation III 3X 

magnifier. These magnifiers offer users of the Holographic 

Weapon Sight (all models) the additional advantage of vastly 

improved target recognition and increased lethality at medium 

range distances. The new Switch to Side (STS) mount allows 

the user the ability to engage the enemy with confidence in a 

Close Quarters Battle (CQB) situation or at distances out to 600 

meters or more. This user manual describes the features of the 

EOTECH Magnifiers and provides information on their use and maintenance. Please read the instructions 

carefully before mounting and using the magnifiers. Always practice proper firearm safety.

USER’S MANUAL FOR

 

G33™ 

For use with G33 Magnifiers 

or HHS Systems

The G33 is controlled under the Export Administration Regulations (EAR) ECCN 0A987, and may not be exported to a 

foreign person, either in the U.S. or abroad, without a license or exception from the U.S. Department of Commerce

SPECIFICATIONS:

G33 3x Magnifier

Magnification Fixed: 3X

Eye Relief: 2.2” (55.8mm)

Field of View: 7.3 degrees

Length: 3.9” (99mm)

Width:  2.2” (55.9mm)

Height:  3.3” (83.9mm) 

with spacer

Weight: 11.2oz (317.5g) 

with mount

Water-Resistant: 33 ft. (10m)

Sealing: Fog-resistant internal optics

Retrofits to all HWS models with 7mm riser

Finish: Non reflective / Rubber coated

Optical Axis Adjustment: Internal adjustment

Switch Orientation: Ambidextrous mount Flip Orientation to 

allow left or right flip 

Rail Interface: 1” Weaver or MIL-STD-1913 with Quick 

Detach lock

Magnifier Interface: User configurable height with quick 

detach mount

Included:

• 3x Magnifier • Switch to Side (STS) Mount• 7mm Riser • 4 Screws 

BASIC OPERATION 

 

The G33 magnifier is designed to be used behind an EOTECH Holographic Weapon Sight (HWS). The magni-

fier can be mounted directly behind the HWS. Simply switch the magnifier out of the way and operate the 

sight. When used with HWS models 518, 558, 556, 517, EXPS or 516 HWS (with side button interface) the 

user can easily operate the sight even with the magnifier in the locked position. 

Positioning the Reticle:

Once the magnifier is installed properly behind the HWS, it may be necessary to re-zero the sight. This may 

be due to the shooter’s ability to see the target and Point of Impact (POI) more accurately than without the 

magnifier. Re-zeroing the sight will prevent a perceived shift in POI when going from no magnification to 

magnification.

After zeroing or re-zeroing the sight, it may be necessary to reposition the reticle image into the center of the 

magnifier window. This is aesthetic in nature and has no affect on the sight’s zero. Turn the horizontal and 

vertical adjustments on the top or side of 

the magnifier by hand, with a coin or a 

flat head screwdriver to reposition reticle 

to the desired position. 

Switch operation:

To switch the magnifier to the side, 

simply push the optic to the right or left, 

depending on how it is mounted. To close 

the mount, push the magnifier back into 

its original position until a hard stop is 

achieved.

ADJUSTABLE DIOPTER

The G33 optic includes an adjustable diopter that allows the user to customize 

the focus to their particular vision.  This feature ensures a crisp, clean aiming 

dot for more precision and shot placement.  To adjust, simply grasp the diopter 

with the thumb and fore finger and turn either clockwise or counter-clockwise 

until a clear sight picture is achieved.

M1957 Rev B

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