XS Sights R3D, 2.0, Tritium Night Sight, For Sig P320, P365, P225, P226, P228, P229, SP2009, SP2340, X-Macro, X-Compact, P365XL (Will not fit X or XL series where rear sight is part of or attached to the optics plate), Suppressor Height, Green Front Outline, Green Tritium Front/Rear SI-R203P-6G Their second-generation R3D night sights are engineered to give you a brighter" stronger set of sights. Easily install their sights with a set that requires 50% less force for installation. R3D sights are built to withstand years of EDC use and abuse. The set drives focus downrange using a serrated blacked-out rear sight and a dual-illuminated tritium photoluminescent front sight. R3D sights are the brightest notch and post option for fast and accurate shooting in bright and low light. Fits Sig P320" P365" P226" P229; Springfield XD(M)(S)(E)" HellCat; FN 509