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CZ 457

The CZ 457 is a series of magazine-fed bolt-action rimfire repeating rifle manufactured by the Czech firearms manufacturer Česká zbrojovka Uherský Brod and imported into the United States by CZ-USA.

History
The CZ 457 was designed to improve on the popular CZ 455 rifle family, notably the inclusion of a push-to-fire safety in line with the barrel, and replacement of the 455 stamped steel unitary bottom. Bolt rotation was also reduced to 60° from 90° in the 455. Trigger adjustment is also claimed to be improved. The rifle (with its respective barrel) can be chambered for .22 LR, .22 WMR & .17 HMR. ==Developments==
Developments
• Under metal guard • 60° breech lever opening • Barrel and receiver with anti-corrosion surface treatment • Possibility of dry firing without damaging the firing pin • Side safety (push and shoot type) • Arming indicator • Charger compatible with models: CZ 452 and CZ 455 • Adjustable trigger (weight from 900g to 1500g) and bump from 0.5mm to 5mm ==Variants==
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