C+H Precision Optics Adapter Plate Compatible with SIG P226/229 w/Romeo 1 Pro Optic Ready Cut with RMR Holes | Compatible with Trijicon RMR/SRO/RCR, Holosun 407C/507C | Made in The USA
COMPATIBILITY: ONLY compatible with the SIG P226/229 Romeo 1 Pro Optic Ready Models with RMR Cut Holes. P226 Legion Full Size, P226 ZEV, P226 Pro Cut, P229 Legion Compact, P229 Pro, P220 Legion Full Size 10mm, P220 Legion Full Size .45 Auto.