This steel optic mount adapts the Romeo 1 Pro to the slide of the Sig Sauer P320 RX (Classic) and other P320 slides cut for the original Romeo 1 footprint. The factory Romeo 1 cut does not directly accept the Romeo 1 Pro without this component. Machined from billet steel with a black oxide finish, the mount uses raised recoil lugs to lock the optic in place and prevent shift under recoil.
Compatibility
- Sig Sauer P320 RX (Classic version) – direct fit
- P320 slides factory-milled for Romeo 1 optic footprint
- Romeo 1 Pro optic (not included)
- Works with or without the factory steel shroud for the Romeo 1 Pro
- Rear notch on the Romeo 1 Pro co-witnesses with a .400″ tall front sight (not included)
Key Features
- Material: Billet steel
- Finish: Black oxide
- Raised recoil lugs for positive optic lock-up
- Direct replacement for the factory Romeo 1 mounting plate
- Maintains factory slide profile and holster compatibility
- Does not require slide modification
Install Difficulty: 2/5
Moderate. Requires removal of the factory Romeo 1 mounting plate (if present), application of thread-locker (medium strength, not included), and proper torque to manufacturer specifications. Tools needed: #6 hex driver (1.5mm or 2mm depending on screw type), torque wrench capable of 10-15 in-lbs. Recommend a gunsmith if you are unfamiliar with optic mounting procedures.
FAQ
Will this mount work on a standard P320 slide (non-RX)?
Only if the slide is factory-milled to the Romeo 1 footprint. It will not fit slides cut for the Delta Point Pro, RMR, or other footprints without an adapter plate.
Do I need to remove the factory steel shroud from the Romeo 1 Pro?
No. The mount is designed to accept the Romeo 1 Pro with or without the factory steel shroud installed. Using the shroud adds additional protection but is not required for function.
What front sight height do I need for a co-witness?
A .400″ tall front sight is required to co-witness through the rear notch on the Romeo 1 Pro. This sight is not included with the mount.
Shipping: Ships within 1 business day. Warranty: Manufacturer-backed lifetime warranty against material and workmanship defects. No-hassle returns within 30 days of delivery.
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