User Ratings
No ratings yet
Be the first to review this product
Keep the clearer detailed description already present in 202754; optionally append any missing co-witness/mount wording from 339927 if not already covered.
Specifications
- Manufacturer:
- Holosun
- Category:
- red-dot-holo-sight
- Weight:
- 12.88 oz
- Length:
- 4.7"
- UPC:
- 810047073604
- MPN:
- ARO-GR2
- Required Component:
- No
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$128.99
Lowest
$128.99
Highest
$169.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products
Vortex Optics StrikeFire II Red Dot Sight 30mm Tube 1x 4 MOA Red and Green Dot with Lower 1/3 Co-Witness Cantilever Picatinny Ring Mount Matte Black
Vortex Optics
$149.99
SIG Sauer Romeo4T Pro Red Dot 1x .5 MOA, Black - SOR44101
Sig Sauer
$549.99
Sig Sauer Romeo MSR Red Dot Gen II Optic - SORMSR101
Sig Sauer
$109.99
Vortex Triumph 2 MOA Red Dot Sight w/ Lower 1/3 Co-Witness Mount, Low Mount, Unlimited Eye Relief, Waterproof, Night Vision Compatible
Vortex
$99.00
Trijicon RMR Type 2 3.25 MOA Red Dot Sight Cerakote Olive Drab Green RM01-C-700623
Trijicon
$455.99
Vortex Crossfire 2 MOA Green Dot Black Sight CF-GD2
Vortex
$149.00
Sig Sauer Romeo5 Gen II Compact Red Dot Sight 1x20mm 2 MOA SOR5102
Sig Sauer
$106.99
Aimpoint Patrol Rifle Optic PRO Red Dot Sight LRP Spacer 39mm
Aimpoint
$497.00
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AK Optics Mounting Guide: Side Rail vs Dust Cover vs Handguard
Compare the main AK optics mounting approaches and choose the right setup for durability, repeatable zero, and practical shooting performance.
8 min read
Guide
Glock-Compatible Platform Overview: What Matters for Reliable Builds
A practical overview of Glock-compatible pistol builds, including compatibility checkpoints, reliability priorities, and upgrade sequencing.
7 min read
Guide
Glock-Compatible Red Dot Setup and Zeroing Basics
How to set up a red dot on Glock-compatible pistols, avoid mounting mistakes, and choose a practical zero for defensive and range use.
7 min read