A yard sale find. I was mainly interested in the carry handle for my flattop and this thing is attached to it. Asked the guy what it was and he told me its a M203 sight.
It sure looks like one
SIC VIS PACEM PARABELLUM
M203 40mm Grenade Launcher
man have i got the mileage with the 203--
and straight from LMT M203 Product
Last edited by j427x; 01-22-2012 at 10:42 AM.