Best Red Dots for the SIG P320 (M17)
Red dots for the SIG P320-M17 and the wider P320 family. The optic cut uses the ROMEO1Pro / DeltaPoint-class footprint, so this full-size duty 9mm pairs naturally with a rugged enclosed-emitter dot. These are the optics that fit and how each one mounts.
10 Red Dots that fit the SIG P320
Showing 10 of 10
Red dots & reflex sights (10)
1x, no magnification — fast target acquisition up close.
- Athlon Midas Burst PistolDirect Fit
3 MOA dot · Enclosed
≈ $230MSRP - Bushnell RXS-100Direct Fit
4 MOA dot · Open
≈ $150MSRP - Bushnell RXS-250Direct Fit
4 MOA dot · Open
≈ $200MSRP - EOTech EFLX MiniDirect Fit
6 MOA dot · Open
≈ $389MSRP - Leupold DeltaPoint ProDirect Fit
2.5 MOA dot · Open
≈ $520MSRP - SIG Romeo1ProDirect Fit
3 MOA dot · Open
≈ $480MSRP - SIG Sauer Romeo-X ProDirect Fit
2 MOA dot · Open
≈ $480MSRP - SIG Sauer Romeo2Direct Fit
2 MOA dot · Enclosed
≈ $800MSRP - Vortex Defender-STDirect Fit
3 MOA dot · Open
≈ $399MSRP - Vortex Venom EnclosedDirect Fit
6 MOA dot · Enclosed
≈ $350MSRP
Want a different optic type? See every optic that fits the SIG P320.
Fit is research-verified; suitability is general guidance based on the platform's typical effective range — not a hard rule.