I believe the Yildiz have an aluminum receivers compared to a steel receiver for the CZ. I expect the Yildiz is a lighter gun, however I ended up buying a used 20 gauge CZ Bobwhite off SuperCub, which I really like, in fact I then went and bought a new 12 gauge CZ Bobwhite because I liked the 20 gauge so much! The 20 gauge 26" barrels weights 6lbs 4 ounces while the 12 gauge 28" inch barrels weights 6lbs 12 ounces