RMR Footprint Option: This is a one piece aluminum filler plate for attaching a red dot to the Sig Sauer slides that are cut for the Romeo 1 Pro/R2, that has the RMR holes. This adapter plate fills the gap in the front of the optic and studs so your optic can be securely mounted. Your slide must have the threaded holes for the RMR for this plate to work. Minimum sight height to cowitness is .300" Not recommended for the SRO 

Vortex Defender ST/XL: Filler plate for the Defender ST/XL uses the M4 threaded holes on the R2/Pro Cut slides. Plate is 0.040" thick.

New screws, hex wrenches and thread locker provided. 
Identify your slide
Installation Instructions
Spacer Plate Fitting Instructions

**Designed to only fit the Sig Sauer P320/P226 slides with the cut for the Romeo 1 Pro, Romeo 2 and Deltapoint Pro. Please reference photo.