Reflex sights from US brands and US-based sellers
Amazon ranks by what sells fastest, so a reflex sight from an established brand gets buried under cheap imports no matter how far you scroll. This page lists the US brands and US-based sellers for reflex sights, so you can start from the ones worth trusting.
We read each seller's registered country from Amazon's own published seller info. We don't claim anything here is manufactured in the US, only that you're buying from a US brand or a US-based seller.
Confirmed US brands and sellers
6 listings where Amazon's own seller info places the seller in the US. Each badge says which.

Burris Optics Hunting Lightweight Versatile FastFire 3 Red Dot Sight 3MOA with Picatinny Mount, Black

Bushnell RXS250 Reflex Sight_RXS250

Crimson Trace RAD Micro Pro Compact Open Reflex Pistol Sight with 3 MOA Red Dot, Co-Witness Notch, Shake to Wake and Ambient Light Sensors for Compact and Subcompact Handguns,Black

HOLOSUN 510C Series Multi-Reticle 2 MOA Dot & 65 MOA Circle Open Reflex Sight - Solar FailSafe Shake-Awake, 12 Settings - Red/Green Dot (Black/FDE) (Black, Green)

SIG SAUER Romeo-X Compact Pistol-Mounted Reflex Sight | Rugged Durable Aluminum Lightweight Waterproof MOTAC Open Sight with 15 Illumination Settings, Black, 3 MOA Red Dot

Trijicon SRO Sight Adjustable LED 5.0 MOA Red Dot, Black
US brands we went looking for
More names an AI suggested for this category that we haven't confirmed US on yet. Each badge says how far we've checked it.

TRUGLO Tru-Brite Open Red-Dot Dual-Color Multi Reticle Black

Leupold DeltaPoint Pro Red Dot Sight, 2.5 MOA Dot - Matte finish
Suggested, not verified. These names came from an AI suggestion, not from our data. We only call a brand US after checking the seller's registered address on its Amazon seller page. Nobody has opened these yet. Open one and it's settled for everyone.