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£4.99
  • Rail Riser
  • 3.1cm Raise
  • 20mm RIS/RAS

This High Profile Rail Riser is designed for any 20mm RIS/RAS Accessory, and is designed to lift it up off the Rail. This is particularly useful for those trying to use a Lower Face Mask with a Red Dot Sight, as you might find that you Mask stops you from aiming down your standard Rail System.

£5.99
  • Low Profile Rings
  • For 25mm Optics
  • Fits 20mm RIS/RAS

A set of Two Scope Rings for 25mm Optics, which easily attach to 20mm RIS/RAS Rail Systems to install your Rifle Scope on an Airsoft Gun. They have a two piece design which makes installation very easy, and come included with an Allen Key to help. These rings are Low Profile, meaning your Scope will be mounted snugly to your Rail System.

£5.99
  • For 25mm Optics
  • Slim Profile Rings
  • High Profile Mounts

A set of two High Profile Scope Mount Rings, which will accept a 25mm Optic and easily install to 20mm RIS/RAS/Picatinny Rail Systems. These mounts are High Profile, which means they will hold your Optic a little higher than standard, which is ideal for those who use Lower Face Protection and struggle to aim down their Scope. Being a two-piece design, and coming included with an Allen Key, they are very easy to install.

£6.99
£7.99
  • Fits 25mm Optics
  • For 20mm RIS/RAS
  • High Profile Mounts

A set of two High Profile Scope Mount Rings, which will accept a 25mm Optic and easily install to 20mm RIS/RAS/Picatinny Rail Systems. These mounts are High Profile, which means they will hold your Optic a little higher than standard, which is ideal for those who use Lower Face Protection and struggle to aim down their Scope. Being a two-piece design, and coming included with an Allen Key, they are very easy to install.

£7.99
  • Fits 20mm Rails
  • For 30mm Optics
  • High Profile Rings

A set of two High Profile Scope Rings for 30mm Optics, that will easily connect to 20mm RIS/RAS Picatinny Rail Systems. They have a two-piece design which makes installation very easy, and comes included an Alley Key to aid installation. They are High Profile Rings which will hold the Scope higher than standard, making it easier to aim whilst wearing Lower Face Protection.

£7.99
  • Protects ACOG
  • 35mm Diameter
  • Honeycomb Mesh

A 35mm Mesh Kill Flash designed for use on Airsoft ACOG Style Scopes & Optics.

£18.99
  • Very clear red dot
  • 1x magnification
  • For 20mm Rails

An Airsoft Sight created by THETA OPTICS which features a red-dot system where a small red dot is projected into the vision of the user while they are looking down the sight. Red dot sights are designed to allow you to aim quicker as once the red dot is zeroed it will always bee on point whatever angle you are looking at the sight through, and also allows you to shoot with both eyes open for a better field of view.

This sight is perfect for those skirmishers who are getting into Airsoft and are looking for a sight which has a great clear sight picture at a low price. The sights' dot is very clear, and is extremely well priced for the quality.

£24.99
  • 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.

£29.99
  • Red / Green Dot
  • For 20mm Rails
  • Micro Dot Sight

An Airsoft Red dot sight created by THETA OPTICS which is designed to be fit onto 20mm RIS / RAS Rails to make aiming your rifle or pistol easier and quicker. The sight projects a red dot using a laser on to the front glass lens which once zeroed will be where the pistol will shoot no matter the angle at which you can see the dot, this allows you to acquire targets quicker and more efficiently giving you an edge in an Airsoft game.

This sight is perfect for any Airsoft Skirmisher who is looking for a cheap but extremely effective red dot sight which won't break the bank without a loss in quality of picture.

£29.99
  • Red / Green Dot Modes
  • Brightness Adjuster
  • Raised Sight Mount

An Airsoft Dot Sight created by THETA OPTICS, designed to be fit onto 20mm RIS / RAS Rails, and allows the user to acquire their targets quicker and more easily over traditional ironsights. This sight has the added boon of being raised, meaning that the sight is easier to use for Airsoft players who wear full face protection or lower mesh face masks, lifting the sight high enough to allow you to cheek weld even when wearing a mask.

The sight is fully adjustable, allowing windage and elevation to be set, as well as brightness and dot colour, with up to 5 brightness settings for both green and red dot modes.

This sight is perfect for any Airsoft skirmisher who is looking for a great quality red dot for their Airsoft replica without breaking the bank. The sight is great for outdoors thanks to its high brightness settings, and can be used in CQB easily by simply dropping the brightness levels to 1-2.

£29.99
  • Mirrored Lens
  • Variable Brightness
  • Integrated 20mm Mount

A compact Red Dot Sight for Airsoft Guns with a 20mm RIS/RAS Rail System, that has a Mirrored Silver Lens and offers Variable Dot Brightness and Colour, to improve your target acquisition and time-to-target.

£32.99
  • Batteries Included
  • Red/Green Reticule
  • Rubber Push Buttons

This Red Dot Sight is an instantly recognisable shape that looks great on any Airsoft Gun, and will give you the ability to quickly and efficiently acquire a target and send some well-aimed shots.

£32.99
  • Holographic Reflex Sight
  • Red / Green Modes
  • For 20mm Rails

An Airsoft Red Dot / Holographic sight created by THETA OPTICS which is designed to be fit onto 20mm RIS / RAS Rails to make aiming your Airsoft gun easier and quicker giving you an advantage in CQB engagements. The sight projects a sighting picture using a laser on to the front glass lens which once zeroed will be where the pistol will shoot no matter the angle at which you can see the picture, this allows you to acquire targets quicker and more efficiently giving you an edge in an Airsoft game.

This sight is perfect for any Airsoft Skirmisher who is looking for a cheap but extremely effective red dot sight which won't break the bank without a loss in quality of picture.

£32.99
  • Batteries Included
  • Red/Green Reticule
  • Rubber Push Buttons

This Red Dot Sight is an instantly recognisable shape that looks great on any Airsoft Gun, and will give you the ability to quickly and efficiently acquire a target and send some well-aimed shots.

£32.99
RRP £42.99
Save £10.00
  • Top 20mm Rail
  • Flip Up Lens Covers
  • Mirrored Front Lens

The Theta Optics Monolith Red Dot Sight is exactly what it says on the tin. A chunky and well constructed Red Dot Sight with an integrated 20mm Rail Mount, Flip Up Lens Covers and a Top 20mm Rail for further accessories.

£34.99
  • Four Reticules
  • Red/Green Dot
  • Wide Field of View

A reflex style red dot sight with a choice of four reticules, red or green colour dot and a wide field of view through the lens.

£34.99
  • Compact and lightweight
  • Moulded in backup sights
  • Well disguised "on/off" switch

If you are after a small Red dot sight but want something different to the T1 and RMR type sights out there, this is the ticket. The S-point from Theta optics comes with an integrated QD mount and a red lens coating, minimizing glare. This would also be a good pick for anyone building an H&K G28 ;)

£35.99
  • Multiple Reticule Types
  • Red / Green Modes
  • Tool-less Fitting

An Airsoft Red dot sight created by THETA OPTICS which is designed to be quickly and easily fit onto 20mm RIS / RAS Rails to make aiming your rifle or pistol easier and quicker. The sight projects a sight picture / reticule on to the front glass lens which once zeroed will be where the weapon will shoot no matter the angle at which you can see the picture, this allows you to acquire targets quicker and more efficiently giving you an edge in an Airsoft game. 

The sight picture can be adjusted to one of four types, including a dot, circle, and two cross types, and can be adjusted to show in either red or green.

This sight is perfect for any Airsoft Skirmisher who is looking to improve their CQB game-play by allowing them to acquire targets faster and easier than their opponents on iron sights.

£36.99
  • 3 x RIS Rails
  • Multiple Reticules
  • Large Sight Picture

This rather large Red Dot Sight from Theta Optics offers a large sight picture for easy target acquisition, multiple choices of reticule, integrated rail mount and 3 x short 20mm RIS sections for the connection of extra accessories.

£39.99
  • Adjustable Red / Green Dot
  • Removable 20mm Raiser
  • Adjustable Brightness

An Airsoft Red dot sight created by THETA OPTICS which is designed to be fit onto 20mm RIS / RAS Rails to make aiming your gun easier or quicker. The sight projects a red dot using a laser on to the front glass lens which once zeroed will be where the pistol will shoot no matter the angle at which you can see the dot, this allows you to acquire targets quicker and more efficiently giving you an edge in an Airsoft game.

The rail raiser can also be removed allowing you to give the sight a more low profile should it be required.

This sight is perfect for any Airsoft Skirmisher who is looking for a red dot sight which can be used both with and without Airsoft face masks.


£39.99
  • Red/Green Dot
  • For 20mm Rails
  • Aluminium Made

This is an Aluminium-constructed Red Dot Sight for Airsoft Guns, that is attached to 20mm RIS/RAS via the Integrated Mount. If you want a more effective aim-point for your replica, that is ready to go out of the box, then the Theta Optics Red Dot Reflex Sight is a strong choice.

£39.99
  • Variable Zoom
  • Illuminated Reticule
  • Integrated 20mm Mount

This compact Airsoft Scope offers a variable zoom from 2.5x to 10x, allowing you to make engagements at a variety of distances, thanks to easily being able to set the preferred level of zoom.

£40.99
  • Alloy Body
  • 20mm Mount
  • Red/Green Dot

The Theta Optics Operator Reflex Sight is an Alloy constructed Red Dot Sight for Airsoft Guns with a 20mm RIS Rail, and offers a Red/Green Target Dot for precise, aimed shots, as well as Flip Up Lens Covers for badass looks as well as protection when not in use.

£42.99
  • Flip-to-side Mount
  • 3x Fixed Zoom
  • 35mm Lens


Built by Theta Optics this Airsoft sight is designed to be used in conjunction with a holographic or red dot sight to magnify the picture and dot, and then be flipped to the side when not required. The sight is fully adjustable, with fine tuning adjustments for windage and elevation, as well as focus to get the clearest picture possible. The sight is designed to be fit to 20mm RIS / RAS rails, giving it great compatibility with a wide range of aftermarket holographic and red-dot sights.

This sight is perfect for those who are looking to get the perfect sight setup for both CQB and Outdoors games. For CQB flip the sight to the side, and for those longer range outdoor shots use the magnifier.

£49.99
  • 4x Magnification
  • 20mm Side Rails
  • Low Light Ironsight

A compact and tactical scope for 20mm Rails, that offers a fixed 4x magnification as well as the option of a low-light backup ironsight for close range engagements, and an illuminated reticule.

£49.99
  • Amazing Value
  • Illuminated Reticule
  • Mount Rings Included

Never before has such an incredible Scope been available for under £50! This Riflescope has a tremendous zoom, reaching out from 2.5x to 10x Magnification, has an Illuminated Reticule with the choice of Red/Green/Blue, comes included with Scope Mount Rings, has adjustable Focus as well as a Parallax Control. This is without a doubt the greatest value for money Airsoft Scope that money can buy right now! Whether you're new to Sniping or just want to treat yourself to something a little nicer... quality doesn't have to cost.

£54.99
  • Compact Optic
  • T1 Style Red Dot
  • Green & Red Illumination

The THETA Optics Compact Reflex III is a compact T1 style airsoft red dot sight designed for use on Airsoft M4's, AK's and Sub machine-gun platforms.

£64.99
  • 6-24x Magnification
  • Red, Green or Blue Reticle
  • Adjustable in all aspects

If the Theta Optics 4-16x is the king of scopes, this is the God of scopes! The 6-24x50 AOE Scope by Theta Optics is ideally suited for sniping and extreme long range spotting. The 24x magnification function will allow you to see the look of fear in the eyes of the enemy team as they scramble for cover! It's massive 50mm objective lens provides excellent image sharpness and a very wide field of view and the reticle illumination function ensures the Mil-Dot crosshair is easy to see in any ambient light level.

£66.99
  • 4x Magnification
  • 20mm Side Rails
  • Backup Red Dot Sight

A compact and tactical scope for 20mm Rails, that offers a fixed 4x magnification as well as the option of a backup red dot sight for closer range engagements, and an illuminated reticule.

The best budget and beginner Airsoft Sights and Scopes on the market from THETA OPTICS...