CZ 457 THUMBHOLE barrel length 52.5 cm 1/2x20 muzzle thread .22lr

CZ 457 THUMBHOLE LL 52.5 cm 1/2x20 muzzle thread .22lr
The new CZ 457 family is the successor to the proven CZ 455 series and features a thoughtful, modular design that combines classic style with modern manufacturing. Compared to existing models and other manufacturers, the 457 series is a step ahead of the competition in terms of improved safety, accuracy, and longevity.
The new CZ 457 models have the following advantages:

Cylinder lock with a reduced opening angle of 30° from 60° (compared to the CZ 455)
Signal pin on the lock as a cocking indicator – sliding safety
new, 62% lighter firing pin
bedded system for increased precision
adjustable trigger – 800 g to 1500 g
exceptionally durable corrosion protection coating on steel parts for a long lifespan
system sleeve with 11 mm rail
case...