Orange

Nathan, Yes the 'Orange' refers to the orange circle on front tritium sight lamp. For sights US-made P-10s feature a single tritium lamp in the front with a large orange surround and a serrated black rear. The Optics-Ready version of the P-10 ships with a

There is a orange ring around the green like the front sight in this link truglo.com/firearms-handgun/brite-site-tfx-pro-handgun-sights.asp?catid=E5FDB84FE8F74C239330C1841BDD3D5E now the rear is just a black sight on the CZ

Nathan, yes Sir. This P-10 feature a single green tritium lamp in the front with a large orange surround circle for faster pickup contrast with the serrated black rear sight. Optics-Ready versions ship with a blank filler plate.