The CZ 75B  (Omega) features a simpler more robust version of the 75’s trigger system. The interlocking design of the trigger mechanism’s parts allows for easy disassembly and reassembly without the need for tools so taking the pistol down beyond a basic field strip is much easier than on a standard 75. Not only does this simplify maintenance the trigger parts themselves are made of different materials enhancing durability operation life and reliability.