Out Of Stock Holosun AEMS CORE X2 Advanced Enclosed Micro Sight - Green Reticle
The Holosun AEMS CORE X2 Green is a compact enclosed red dot built for rifles that want a clean, wide field of view without being bulky. It runs a crisp 2 MOA green dot, which many shooters find easier to pick up quickly in daylight, and the larger window gives you a really open sight picture for faster target tracking. It’s fully enclosed for better protection against weather and debris, and it comes with shake-awake plus long battery life so you don’t have to think about it much once it’s set up. Built from tough 7075 aluminum with a lower 1/3 co-witness mount included, it’s basically a durable, modern rifle optic that balances simplicity with solid feature set.
-Nathan (Technical Advisor)
The Holosun AEMS CORE X2 takes everything shooters loved about the original AEMS and pushes it further, delivering enhanced performance in a compact, rugged design. With an advanced optical system that reduces parallax by 50%, the CORE X2 offers faster, more accurate target acquisition — giving you the edge when split-second decisions matter.
Built from 7075-T6 aluminium and finished with MAO coating, the housing is both lightweight and incredibly tough. The fully enclosed design, combined with an IP67 waterproof rating and 1000G vibration resistance, ensures reliable performance in the harshest environments.
At the heart of the upgrade is an all-new four-post, lower 1/3 co-witness mount, offering ideal sight height for modern shooting setups. It’s also backwards compatible with original AEMS mounts, giving you flexibility without compromise. The optic features a generous 1.1 × 0.87-inch window and crystal-clear multilayer reflective glass, packed into a compact body measuring just 2.48 × 1.54 × 2.63 inches and weighing only 9.8 oz.
With unlimited eye relief, parallax-free performance, and a clean 1x magnification, the sight picture is fast, clear, and intuitive. Power is handled by a single CR2032 battery, delivering up to 50,000 hours of battery life, while 10 daylight and 2 night vision brightness settings ensure visibility in any condition.
Holosun’s signature Shake Awake™ Technology comes as standard — automatically powering down the LED when inactive, and instantly reactivating it with the slightest movement. It’s smart, seamless, and always ready when you are.
Optical Specs
- Reticle: 2 MOA Dot
- Light Wavelength: 540nm
- Reticle Colour: Green
- Parallax Free: Yes
- Unlimited Eye Relief: Yes
- Magnification: 1x
- Multi-Coatings: Yes
Electronic Specs
- Power Source: Battery
- Battery Type: CR2032
- Battery Life: 50,000 hours
- Thermal Modes: N/A
- Digital Modes: N/A
- Video Recording: N/A
- Screen Refresh Rate: N/A
- Digital Screen: N/A
- Brightness Setting: 10 Daylight & 2 Night Vision
Physical Specs
- Window Size: 1.1 × 0.87 in
- Dimensions: 2.48 × 1.54 × 2.63 in
- Weight: 9.8 oz
Mechanical Specs
- Housing Material: 7075 T6 Aluminium
- Surface Finish: MAO
- Adjustment per Click: 0.5 MOA
- Windage & Elevation Travel Range: ±50 MOA
Environment Specs
- Storage Temperature: -40℃ to 70℃
- Working Temperature: -30℃ to 60℃
- Submersion: IP67 Rated
- Vibration Resistance: 1000G
- Advanced optical system with reduced parallax
- Fully enclosed, compact design
- Lower 1/3 co-witness four-post mount (included)
- Backwards compatible with original AEMS mounts
- Shake Awake™ Technology for extended battery life
- Rugged 7075-T6 aluminium housing
- Durable MAO surface finish
- Multilayer reflective glass for enhanced clarity
- IP67 waterproof and dustproof rating
- High resistance to shock and vibration
- Long-lasting, reliable performance in all conditions

- 1x Holosun AEMS CORE X2 Advanced Enclosed Micro Sight - Green Reticle
- 1x 1.63 in Optic Mount
- 1x Multi-tool
- 1x Wrench
- 1x Cleaning Cloth
1. What is the AEMS CORE X2?
It’s a compact enclosed micro red dot sight designed for rifles, shotguns, and similar long guns, with an upgraded optical system for a wider field of view.
2. What reticle does it use?
It uses a 2 MOA green dot reticle for fast and precise aiming.
3. Why choose the green reticle version?
Green tends to stand out more in bright daylight and natural backgrounds for many users, making it quicker to acquire visually.
4. Is it enclosed or open?
It’s fully enclosed, which helps protect the emitter and glass from rain, dirt, and impact.
5. Does it have shake-awake?
Yes, it automatically powers on with motion and shuts off when idle to save battery.
6. How long does the battery last?
Up to around 50,000 hours depending on brightness settings and usage.
7. What mount does it come with?
It includes a lower 1/3 co-witness Picatinny mount (about 1.63" height).
8. Is it durable?
Yes, it uses a 7075-T6 aluminum housing and is designed for shock, weather, and field use.
9. Can it be used with magnifiers?
Yes, it works well in 1x + magnifier setups due to its enclosed design and clear window.
10. What’s the main advantage of the AEMS CORE X2?
It combines a wide field of view, enclosed durability, long battery life, and automatic power features in a compact rifle optic that’s easy to run in real-world conditions.
- Holosun 10 years / product lifetime warranty. Read more here
Delivery costs & estimated arrival
Find your country below for the delivery charge and how long your order should take to reach you. All orders ship with FedEx. Estimates are in working days and exclude weekends and public holidays.
| Country | Up to 2kg | 2kg – 30kg | Estimated delivery | ||
|---|---|---|---|---|---|
| Order under €350 | Order €350 & over | Order under €350 | Order €350 & over | ||
| Austria | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| Belgium | €8.95 | €14.95 | €14.95 | €14.95 | 4-6 working days |
| Bulgaria | €11.95 | €31.95 | €31.95 | €31.95 | 7-9 working days |
| Croatia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Cyprus | €14.95 | €89.95 | €89.95 | €89.95 | Contact us |
| Czechia | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Denmark | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Estonia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Finland | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| France | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Germany | €8.95 | €14.95 | €14.95 | €14.95 | 5-7 working days |
| Greece | €11.95 | €31.95 | €31.95 | €31.95 | 8-10 working days |
| Hungary | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Ireland | €6.95 | €6.95 | €8.95 | €8.95 | 2-4 working days |
| Italy | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Latvia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Lithuania | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Luxembourg | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Malta | €14.95 | €89.95 | €89.95 | €89.95 | Contact us |
| Monaco | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Poland | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Romania | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Slovakia | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Slovenia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Spain | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| Sweden | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
Returns & withdrawal
Which option you use depends on why you are sending the item back.
Changed your mind?
You have 14 days from receiving your order to withdraw from your purchase. Use our Withdrawal from Contract form to tell us. It is the quickest way, and we will then email you a free returns label.
If you would rather post the item back yourself to our returns address in Ireland, you pay the postage. Full details are on our Returns page.
Withdrawal from ContractFaulty, damaged or wrong item?
If your item arrived faulty, damaged or not what you ordered, please follow the steps on our Returns page. We cover the cost of returning these items.
Full details of all our return options are on that page.
Returns pageDelivery prices are shown in euros and confirmed at checkout.

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