Things I liked:quick sighting Things I would have changed:starburst of red around dot has to be fixed. gluing a polarizing filter,gray, on projector does the job (keep it small).
can be bought on amazon. What others should know:mounting screws are to short for some rails. need a lathe to undercut screw heads to get that extra thread . you can buy longer metric screws .
Things I liked:nice and easy to use Things I would have changed:rear sight adjustment screw is to short. could not get elevation and put a longer m3 screw. works fine now. What others should know:Grooves for mtg red dot sight would put this gun over the top.
Things I liked:Nice and easy to use Things I would have changed:See next What others should know:I just added a compact rail laser (crl),from sight mark ($40), to gun on the bottom.This puts it at a distinguished level.Cant miss.