The ARO-CORE-RD2 + HM3X Combo pairs a compact 2 MOA red dot with a 3X flip-to-side magnifier for a fast, flexible setup that covers close-range speed and mid-range clarity.
With a refined 22mm window, Shake Awake, and included mounting options, it’s built to perform across rifles and PCC platforms without adding unnecessary complexity.
→ 2 MOA Red Dot with 3X Magnification
Combines the ARO-CORE-RD2 red dot with the HM3X magnifier for fast close-range shooting and improved precision at distance.
→ Refined 22mm Optical Window
Compact window provides a clear, efficient sight picture for rapid target acquisition.
→ Shake Awake Technology
Motion activation powers the optic on instantly while conserving battery life when idle.
→ Side-Loading CR2032 Battery
Quick battery replacement without removing the optic from the mount.
→ Flip-to-Side QD Magnifier Mount
HM3X magnifier features a quick-release flip-to-side mount for rapid transition between 1X and 3X.
→ Rugged Aluminum Construction & Flexible Mounting
Durable housings built for hard use with IP-rated weather resistance and 1.63 inch lower 1/3 and 1.05 inch low mount options.
FUNCTIONS
Selectable Reticle
No
Solar Power
No
Shake Awake Technology
Yes
Auto Off
Yes
Memory
Yes
Manual Brightness
Yes
Automatic Brightness
No
Lockout Mode
No
OPTICAL DATA
ARO-RD2:
Light Source
LED
Wavelength
650nm
Reticle
2 MOA Dot
Magnification
1x
Parallax
No
Unlimited Eye Relief
Yes
Multi-Coatings
Yes
HM3X:
Magnification
3x
Exit Pupil
7.6mm
Eye Relief
70mm
Field of View
7°
Diopter
±3D
Transmittance
.75
Lens Material
Optical Glass
ELECTRONIC DATA
Battery
CR2032
Battery Life (Setting 6)
50,000 Hours
Brightness Setting
10 Daylight & 2 Night Vision
Removable Battery
Yes
Battery Location
Side Tray
MECHANICAL DATA
ARO-RD2:
Housing Material
Aluminum
Surface Finish
MAO
Housing Color
Black
Adjustment Per Click
0.5 MOA
W&E Travel Range
±50 MOA
Storage Temperature
-40°C~70°C
Working Temperature
-30°C~60°C
Submersion
IP67
Vibration
1000G
HM3X:
Housing Material
Durable aluminum
Surface Finish
MAO
Housing Color
Black
Storage Temperature
-40°C~70°C
Working Temperature
-30°C~60°C
Humidity (%)
0.95
Submersion
IPX7
Nitrogen (Concentration)
99%
Vibration
<2MOA
PHYSICAL DATA
ARO-RD2:
Window Size
0.866" Diameter
Body Dimensions
2.48" × 1.54" × 2.63"
Body Weight
3.38 oz
Central Mount Height
1.63"
Low Mount Height
1.05"
Mount Weight
1.73 oz
