Theta Optics Red Dot 1x40 Reflex Sight Replica

Theta Optics
Code: THO-10-007859
  • Red/Green Dot
  • 5 x Brightness Levels
  • Integrated Rail Mount

A tough and affordable Red Dot Sight for Airsoft Guns that have a 20mm RIS/RAS Accessory Rail. Powered by a CR2032 Battery (included) this Sight offers a Red or Green Target Dot with five brightness levels, and is ready to install onto a Picatinny Rail via the integrated Rail Mount. If you're looking for the finishing touch to your Airsoft Gun and want to improve your target reaction times, then the Theta Optics Red Dot 1x40 Reflex Sight Replica is the perfect way to get started on the ladder of optics.

Full description



  • Airsoft Red Dot Sight
  • Alloy Construction
  • Red or Green Target Dot
  • Five Brightness Levels
  • CR2032 Powered (Included)
  • Integrated 20mm Rail Mount
  • Fits 20mm RIS/RAS/Picatinny
  • Fits 95% of Airsoft Guns
  • Ideal 'First Sight'
  • Mirrored Front Lens
  • 200g Total Weight
  • 40mm Objective Lens
  • Improve Target Reaction
  • More Precise Aiming
  • Easy to See/Use
  • Fully Adjustable Sight
  • Windage/Elevation

Package Includes

  • Theta Optics Red Dot 1x40 Reflex Sight Replica

Special Instructions

To adjust the 'Point of Impact, first remove the protective covers from the Adjustment Turrets. Use a Screwdriver/Coin to turn the Turrets underneath to move the Point of Impact/Aim, and align your Red Dot with the BB Flight Path.



Parts & Accessories Type
Sights and Scopes
Sight Type Icon
Sight Type
Red Dot Sight

Weight and Dimension

Product Length
Approx. 10cm
Weight KG Icon
Weight (KG)
Approx. 0.2kg


Colour Wheel Greyscale
Item Colour
Construction Icon

Sight Specific

Sight Magnification
Sight Adjustment Adjustments
Windage, Elevation, Illumination,
Sight Zero Location
Top, Left,
Sight Mount Options
Integrated Rail Mount
Reticle Type
Target Dot

Telescopic Specific

Sight Mount Rings Included

Holographic Specific

Holographic Control Location

Illuminated Sight Specific

Illuminated Reticle
Illuminated Reticle Levels
Illuminated Reticle Colours
Red, Green,
Battery Type