looks like that Reflector is made for a Drop Lense...the Flat Lense optics use a diffrent reflector...also most small fixtures excluding a few had similar footprints,which means they were exchangeable.
Yeah I hate to admit you should have...do you have a power washer? Those stuff can remove paint (trust me...i tried washing my streetlights with my power washer...a bit of paint came off)
I also have another idea too which may work well too....ill tell you..on our chat...
I also have another idea too which may work well too....ill tell you..on our chat...