- Sig Sauer ROMEO1PRO (Direct fit or adapter plate required depending on slide cut)
- Sig Sauer ROMEO2 (Direct fit or adapter plate required depending on slide cut)
- Trijicon RMR Type 2 (Adapter plate required)
- Leupold Deltapoint Pro (Adapter plate required)
- Holosun 509T (Adapter plate required)
- Holosun 407C (Adapter plate required)
- Eotech EFLX (Adapter plate required)
- Holosun SCS320 (Direct fit for Romeo1 Pro cut slide only)