6 Best AR15 Red Dot Sights Under $400 [Updated 2025]

Zero retention is crucial for picking the best AR15 red dot sights for the money. Expensive optics are out of reach for some, but these options are great.
****ALL LIVE FIRE DEMOS WERE PERFORMED AT DESIGNATED PUBLIC OUTDOOR SHOOTING RANGE****
These are cost friendly AR15 red dot sights that hold up to the test:
0:15 Holosun 515GM https://www.badassoptic.com/hs515gm-deals/
1:19 Sig ROMEO5 https://www.badassoptic.com/romeo5-deals/
3:55 Holosun AEMS https://www.badassoptic.com/hsaems-deals/
2:30 Holosun EPS https://www.badassoptic.com/eps-deals/
3:18 Olight Osight X https://www.badassoptic.com/osightx
4:43 Sig ROMEO 7 https://www.badassoptic.com/ROMEO7

Exclusive Deals
Sent Right To Your Inbox: https://www.badassoptic.com/get-deals/

Best dry firing training tool:
Mantis Blackbeard: https://www.badassoptic.com/MantisBlackbeard

Precision torque wrench:
Real Avid Smart TORQ: https://amzn.to/3S50PHZ
Fix It Sticks W/Torq Limiter: https://amzn.to/3HlAhx3

Related Content:
▶️Red dot brightness adjustment: https://www.youtube.com/watch?v=2X0VHZZQA-0
▶️Astigmatism and red dot sight: https://www.youtube.com/watch?v=pIpotd06kN4
▶️How to zero an AR15 at 25 yards: https://www.youtube.com/watch?v=8jCsVdYs4F4

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Audio attribution: ElevenLabs

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