Ruger ReadyDot vs SIG Sauer Romeo Zero: specs compared
Updated 05 September 2026.
3
specs differ
Ruger ReadyDot and SIG Sauer Romeo Zero differ on 3 specs: make, model, dot size.
| Spec | Ruger ReadyDot | SIG Sauer Romeo Zero |
|---|---|---|
| Make | Ruger | SIG Sauer |
| Model | ReadyDot | Romeo Zero |
| Footprint | Shield RMSc | Shield RMSc |
| Optic type | open-emitter reflex | open-emitter reflex |
| Mounts to | pistol slide cut or an adapter plate | pistol slide cut or an adapter plate |
| Dot size | 15 MOA |
Questions and answers
How do Ruger ReadyDot and SIG Sauer Romeo Zero compare?
Ruger ReadyDot and SIG Sauer Romeo Zero differ on 3 specs: make, model, dot size.