Delta Armory 3-9x40 Illuminated Short Rifle Scope

Delta Armory
Code: DA-SCP-08-BLK
  • 3-9 x Zoom - Great for snipers & DMRs
  • Red or green reticle illumination options
  • 25mm Scope rings for 20mm rails included

If you prefer your scopes compact without functionality compromises, the Delta Armory 3-9x40 Illuminated Short Rifle Scope should be right up your street. This variable magnification rifle scope measures less than 20cm in overall length, making it ideal for platforms with less rail space needing a long-range optic. 

Offering adjustable 3-9x magnification, red or green reticle illumination with 5 brightness levels and adjustable windage, elevation and focus, this short rifle scope doesn't compromise when it comes to features and even comes packaged with scope rings and a CR2032 battery so you can mount it and get shooting straight away. If you have the "size doesn't matter, it's how you use it" mantra when it comes to optics, this is the ideal scope for you!

Full description


If you're looking for a compact rifle scope with full functionality, the Delta Armory 3-9x40 Illuminated Short Rifle Scope is the one to go for. Despite its super short overall length (less than 20cm), this variable magnification scope offers 3-9 x adjustable zoom and the choice of red or green illuminated reticle colours in 5 different brightness settings. If you run an accurized platform with minimal rail space this scope is ideal. 

Packaged with a set of 25mm scope rings for 20mm Picatinny rails, the 3-9x40 Illuminated Short Rifle Scope is ready to mount on any Airsoft gun with a 20mm rail. The rings are simple to install, but if you're struggling, check out our Scope Mounting Guide. If you prefer a dual ring mount or higher or lower profile rings, fear not! You can use any scope rings for 25mm monotube scopes, giving you plenty of mounting options. 

The illumination adjustment dial is on the left side of the optic, offering 5 brightness settings for both red and green reticle illumination. Which colour you use is up to you; we recommend using whichever stands out best in your operating environment. Adjustable brightness is also very useful, allowing you to clearly see your reticle in both low light and bright sunlight with a quick turn of the dial. 

Inside the illumination turret, you will find the battery compartment, accessible by unscrewing the top cap either by hand or using a flathead screwdriver. Pop your CR2032 3V button cell (included) inside with the positive terminal facing outwards, reinstall the top cap and you're ready to rock. 

Zero adjustment is provided by a pair of capped turrets, one on the top and one on the right side of the monotube. Unscrewing the caps reveals the adjustment dials which can be turned by hand or using a flathead screwdriver. The elevation adjustment is on the top, providing up and down adjustment, and the windage adjuster is on the right, controlling left-to-right reticle movement.

The radial magnification adjustment dial is located at the rear, surrounding what is known as the "eyebell" of the scope. This dial allows you to adjust magnification from 3x all the way up to 9x, ideal for both engagement at long range and target identification. Thanks to its serrated surface the dial is very easy to turn, allowing you to get the appropriate amount of zoom quickly, even in wet weather. 

At the rear of the eyebell, we have what is known as the "fast focus dial". This allows you to quickly adjust focus for different ranges and get the clearest view of your unfortunate target. This is a neat feature to find in such an affordable scope, ensuring you don't get any blurriness regardless of the range of your objective. 

If you appreciate a scope with a wide range of magnification adjustment and isn't the length of a child's baseball bat, the Delta Armory 3-9x40 Illuminated Short Rifle Scope is the right optic for you. Perfect for platforms with less rail space, DMRs or sniper rifles, this small scope will be a big enhancement for any long-range platform!


  • Aluminium construction - Glass lenses, alloy scope rings
  • Very short overall length - Great for platforms with limited rail space
  • 3-9 x Magnification - Great for DMRs and Snipers, use 3x for engagement and 9x for spotting
  • 25mm Monotube - Compatible with aftermarket 25mm monotube mounts
  • 25mm Scope rings for 20mm Picatinny rails included - Ready to mount!
  • Red or Green reticle colour options - Set the reticle colour to suit your environment
  • 5 Brightness settings for each colour - Use the brightest in bright sunlight, dimmest in low light
  • Radial magnification adjuster - Surrounding the "eyebell" at the rear, easy to adjust thanks to its knurled surface
  • Windage and elevation adjustable - Windage dial on the right, elevation dial on the top 
  • Capped adjustment turrets - Unscrew the caps to access the dials, adjust by hand or using a flathead screwdriver
  • Lens protector recommended - Avoid disappointment and keep your scope safe!
  • Battery compartment inside the magnification adjustment dial - Unscrew the top cap to access
  • Battery: 1 x CR2032 3V Button Cell (included)

Package Includes

  • Delta Armory 3-9x40 Illuminated Short Rifle Scope
    • 25mm Scope rings for 20mm Picatinny rails
    • Polymer Lens Caps
    • 1 x CR2032 3V Button cell
    • Allen Key
    • Cleaning Cloth
    • User manual 

Special Instructions

The included lens caps are see-through but we cannot guarantee they are capable of taking an Airsoft BB impact in-game. We recommend using a lens protector with this optic when skirmishing and not relying on the included lens caps for protection. 



Parts & Accessories Type
Sights and Scopes
Sight Type Icon
Sight Type
Package Includes
20mm RIS / RAS Scope Rings, Cleaning Cloth, Lens Caps, CR2032 3V Lithium Button Battery, Allen Key,

Weight and Dimension

Product Height
Approx. 6cm
Product Length
Approx. 19.5cm
Product Width
Approx. 6.3cm
Weight KG Icon
Weight (KG)
Approx. 0.44kg


Colour Wheel Greyscale
Item Colour
Construction Icon
Aluminium monotube. Glass lenses. Alloy scope rings. Polymer lens covers. Steel mount bolts.

Sight Specific

Sight Magnification
3x, 9x,
Sight Adjustment Adjustments
Windage, Elevation, Magnification, Illumination, Focus,
Sight Zero Adjuster Method
Adjustment Tool Required, Flat-Head Screwdriver,
Sight Zero Location
Top, Right,
Sight Mount Options
Scope Rings / Scope Mounts
Sight Objective Lens Diameter
Reticle Type

Telescopic Specific

Scope Eye Piece Size
Sight Mount Rings Included
Scope Tube Diameter
Sight Magnification Adjuster

Illuminated Sight Specific

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