Best Red Dots for Springfield Hellcat OSP
Top Picks for Hellcat OSP

Holosun 507K X2
Solar backup, multiple reticles, proven reliability for micro pistols
Check price:
Shield RMSc
Native footprint for Hellcat, lightweight, good value

Swampfox Sentinel
Auto-brightness, shake awake, good warranty
Micro Red Dot Considerations
Battery Access: Top-loading batteries (Holosun 507K) allow battery changes without removing optic. Side-loading requires removal.
Window Size: Micro optics have smaller windows. Practice is essential for quick acquisition.
Durability: Holosun 507K has enclosed emitter protecting from debris. Open emitters (RMSc, Romeo Zero) need more cleaning.
Our Recommendation
The Holosun 507K X2 is the best overall choice. Solar backup means you'll never have a dead battery, shake awake preserves battery when you need it, and the multiple reticle options help with quick acquisition on a small optic.
For our complete Hellcat review, see Springfield Hellcat Review.