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Holosun

Holosun ARO CORE MRS

Compact 22mm rifle red dot with Multi-Reticle System and dual mounting heights

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Quick Specs

Price
$235
Weight
3.4 oz
Brand
Holosun
Category
optic

Features

  • 2 MOA dot + 65 MOA circle MRS
  • 22mm window
  • 50,000 hour CR2032
  • Lower 1/3 + low mount included

Capability Boosts

CQB+3
Reliability+1

Recommended For

Home Defense+4
Competition+3
Vehicle Operations+3
Range Training+3
Duty/Patrol
Outdoor Defense

Compatibility Tags

interface: picatinny-topsuitable-for: ultra-compactoptic-type: reflex

Overview

The Holosun ARO CORE MRS is the value entry in the ARO line, pairing a refined 22mm window with the Multi-Reticle System at a price point that undercuts every enclosed-emitter alternative. The MRS lets shooters toggle between a 2 MOA dot for precision, a 65 MOA circle for fast acquisition, or both combined, the same reticle flexibility found in the AEMS Core X2 and SCRS at a meaningful discount.

Construction is hard-anodized aluminum with an MAO finish, IP67 water and dust resistance, and 1000G vibration resistance. The side-loading CR2032 tray allows battery changes without breaking zero, while Shake Awake powers the optic instantly on motion and shuts down to preserve runtime when idle. Manual brightness covers 10 daylight and 2 night-vision compatible settings, with a Lockout Mode that prevents accidental adjustments during transport or hard use.

The ARO CORE ships with both a 1.63" lower 1/3 co-witness mount and a 1.05" low mount, accommodating both modern AR setups with iron sight co-witness and lower-profile platforms like PCCs and pistol caliber carbines. At ~$235, the ARO CORE MRS slots between the budget bushnell/SIG class and the higher-end Aimpoint Micro alternatives, offering Holosun's full feature set in a compact package.

Key Features

  • Multi-Reticle System: 2 MOA dot, 65 MOA circle, or circle-dot
  • 22mm refined viewing window for fast target acquisition
  • 50,000 hour battery life on a single CR2032
  • Side-loading battery tray for zero-retention swaps
  • Shake Awake with Lockout Mode prevents accidental brightness changes
  • Includes both 1.63" lower 1/3 co-witness and 1.05" low mount
  • IP67 waterproof rating with 1000G vibration resistance

Pros

  • +Multi-reticle flexibility uncommon at this price point
  • +Both mount heights included in the box (1.63" and 1.05")
  • +Side-loading battery preserves zero on swaps
  • +Lockout Mode prevents accidental brightness adjustments
  • +MAO finish provides excellent corrosion resistance
  • +50,000 hour runtime competitive with premium alternatives

Cons

  • Open-emitter design lacks enclosed-emitter contamination protection
  • 22mm window smaller than 26mm ARO EVO and AEMS Pro X2
  • No Solar Failsafe backup like Pro models
  • 10 daylight settings vs 12 on premium Holosun optics

Detailed Specifications

Reticle
Multi-reticle: 2 MOA dot / 65 MOA circle / circle-dot
Magnification
1x
Battery Type
CR2032 (side-loading)
Battery Life
50,000 hours at brightness setting 6
nightVisionCompatible
Yes (2 NVD settings)
Waterproof Rating
IP67
weight
~3.4 oz (sight only)
windowSize
22mm
Adjustment Type
0.5 MOA per click
Adjustment Range
±50 MOA windage/elevation
operatingTemp
-40°C to 70°C
Material
Aluminum with MAO finish
vibrationResistance
1000G
mountIncluded
1.63" lower 1/3 co-witness + 1.05" low mount

Compatible Platforms

+71 more

Pairs Well With

Top matches

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