Holosun ARO-RD2 & HM3X Combo, 20mm housing, 2MOA RED Dot Reticle, Optic

Holosun ARO-RD2 & HM3X Combo, 20mm housing, 2MOA RED Dot Reticle, Optic

Holosun
SKU:
ARO-RD2 and HM3X Combo
$359.99
Key Features (tap to expand)
Advanced Rifle Optic Holosun ARO features a 22mm housing and 1.63" lower 1/3 co-witness mount.
Multi-Reticle Options Available with 2MOA dot or Holosun MRS in Red, Green, or Gold.
Seamless Magnification HM3X magnifier allows smooth 3X transition with adjustable diopter and generous eye relief.
Durable Build Tough Aluminum housing ensures long-lasting reliability.
Flexible Mounting Integrated QD mount with optional spacer for Absolute or Lower Co-witness setups.

Fast, Tracked Shipping

Orders ship within 24–48 hours with full end-to-end tracking.

Warranty & Buyer Protection

Secure checkout, easy returns, and lifetime product support.

20+ Years Wholesale Expertise

Decades of global sourcing and B2B fulfillment experience you can rely on.

115,000 sq ft U.S. Warehouse

Massive in-stock capacity ensures faster processing and nationwide distribution.

(No reviews yet)
Current Stock:
Adding to cart… The item has been added
Description
  • Up to 50,000 Hour Battery Life
  • Shake Awake Technology with Last Setting Recall
  • 2 MOA Dot Reticle
  • Battery Type: CR2032
  • IP67 Waterproof Rating
  • Travel Range: ±50 MOA
  • Reticle Brightness: 10 Daylight
  • Window Size: 0.866 in
  • Windage & Elevation Adjustment: 0.5 MOA Per Click
  • Housing Material: Aluminum
  • HM3X Magnifier: 3x Magnification

ARO (Advanced Rifle Optic) is an upgrade of our 20mm 403 and 503 series optics, featuring a new 22mm housing that perfectly fits our magnifier series, and a 1.63” lower 1/3 co-witness pedestal mount. Available as 2MOA dot or with Multi-Reticle System (Red, Green, or Gold).

  • 1x ARO-RD2 Optic
  • 1x 1.63 in Optic Mount
  • 1x 1.05 in Optic Mount
  • 1x Multi-tool
  • 1x Wrench
  • 1x Cleaning Cloth

Automatically powers off the optic LED when not in use and instantly reactivates with movement or touch. Adjustable from 10 minutes to 12 hours or can be turned off entirely.

Optical Specs

Reticle 2 MOA Dot
Light Wavelength 650nm
Reticle Color Red
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
Brightness Settings 10 Daylight & 2 NV

Physical Specs

Window Size 0.86 in
Dimensions 2.48×1.54×2.63 in
Weight 3.38 oz
Housing Material Durable Aluminum
Surface Finish MAO

Mechanical Specs

Adjustment per Click 0.5 MOA
Windage & Elevation Range ±50 MOA

Environment Specs

Storage Temperature -40℃~70℃
Working Temperature -30℃~60℃
Submersion IP67
Vibration 1000G
  • Aluminum-bodied 3x magnifier
  • Quick release, ambidextrous, flip-to-side mount
  • Supports Absolute and Lower 1/3 Co-witness mounting
  • 2.75” Eye relief
  • IP67 Waterproof
  • Windage & Elevation Adjustment for precision zeroing
  • QD Mount & Spacer included