User Ratings
No ratings yet
Be the first to review this product
- Gideon Optics Mediator Red Dot MD20RD is a closed-emitter reflex red dot sight designed for AR-15 platforms.
- Reticle: 3 MOA dot with a 28 MOA circle
- Brightness: 8 Day / 2 Night
- Weight: 2.5 oz; Dimensions: 47 x 35 x 32 mm
- Housing: 7075-T6 aircraft-grade aluminum
- Parallax-free up to 33 yards; IPX7 waterproof
- Mounting: Acro-footprint compatibility; undercut mounting plates on both sides of the mounting plateau
Specifications
- Manufacturer:
- Gideon Optics
- Category:
- red-dot-holo-sight
- Weight:
- 2.5 oz
- UPC:
- 634707024139
- MPN:
- MD20RD
- 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
$249.99
Lowest
$249.99
Highest
$249.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products
Vortex StrikeFire II Red/Green Dot Sight, 4 MOA, with Cantilever Mount (SF-RG-501)
Vortex
$149.99
Sig Sauer ROMEO MSR Gen II 1x20mm 2 MOA Red Dot, Black (SORMSR101)
Sig Sauer
$103.99
EOTech EXPS3-0 Holographic Weapon Sight, 68 MOA Ring with 1 MOA Dot, Black
EOTech
$775.00
EOTECH EXPS3-2 Holographic Weapon Sight Black 68 MOA Ring with 2x 1 MOA Dots Picatinny
EOTech
$699.99
EOTech EXPS2-0 Holographic Weapon Sight, 68 MOA Ring / 1 MOA Dot, Black (EXPS2-0)
EOTech
$539.99
Holosun ARO Reflex Sight, 2 MOA Green Dot (ARO-GR2)
Holosun
$112.99
ADE Advanced Optics Apollo-Pro RD3-030 Pro Solar Red Dot Sight, RMS Footprint, Black
Ade Advanced Optics
$129.99
Sig Sauer Romeo5 Gen II Red Dot and Juliet3-Micro Magnifier Combo Kit
Sig Sauer
$299.99
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