There is no more such a combo in the kit to my knowledge. It's a simple flare gun. You are probably referring to this "Space Gun": http://topwar.ru/36621-oruzhie-vyzhivaniya-kosmonavtov-pistolet-tp-82.html (in russian but easily translated by google). Those are for space crews only and no longer manufactured.

Regarding the new mirror... I doubt it's something special. I wouldn't be even surprised if that's a cheap retroreflective polycarbonate piece, made in China.