You can mount a red dot on your Brno Combo with the JK-N Picatinny rail made for it. The rail is steel, made in the Czech Republic, with screws included. Once it is on, you can use any red dot with a Picatinny mount. Tighten the screws to 2 to 2.5 Nm.
Red dots with a Picatinny base are in Red dots with Picatinny base. Rails for other CZ rifles are in Picatinny rails.
Yes. JK-N makes it for mounting a red dot on the Brno Combo.
A magnificent purchase, and it arrived super fast—just in time. Thank you so much.