The CZ 550 series rifles represent a new line of elegant, aesthetic and ergonomically designed firearms. For the sake of enhancing their accuracy and attaining a long service life these rifles are fitted with hammer forged barrels. The diversified range of CZ 550 models with their characteristics and elegant design solutions meet contemporary requirements as laid upon sporting and hunting weapons. The rifles are provided with a compact trigger mechanism featuring a single-set trigger. The trigger can be adjusted for pull weight and travel. The set trigger can be easily dismantled without impairing its functional properties or adjustment of single stage trigger mechanism.