CZ 457 Ergo
Česká zbrojovka · Rifle · In Production · 2019
Also known as: 457 Ergo
Overview
The CZ 457 Ergo features a fiberglass-reinforced polymer thumbhole stock derived from the CZ 600 Ergo design, with removable cheekpiece and threaded barrel.
Specifications
| Barrel Length | 525 mm (20.67") |
| Action Type | Bolt Action |
| Firing Mechanism | Striker Fired |
| Trigger Type | Single Stage |
| Trigger Pull | 12 N (2.7 lbf) |
| Magazine Capacity | 5 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 330 m/s (1083 fps) |
| Muzzle Energy | 142 J (105 ft·lbf) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 406 mm (15.98") |
| Number of Grooves | 6 |
| Frame Material | Steel |
| Barrel Material | Steel |
| Stock Material | Polymer |
| Finish | Black Nitride |
Calibers
- .22 Long Rifle · primary — also known as .22 LR, 22 LR, .22 Long Rifle
Features
- Firing modes: Semi Automatic
- Feed systems: Detachable Box Magazine
- Safety mechanisms: Two Position Safety
- Features: Cold Hammer Forged Barrel, Adjustable Trigger, 60 Degree Bolt Throw, Swappable Barrels, 1 Moa Accuracy Guarantee, Thumbhole Stock, Fiberglass Reinforced Polymer, Removable Cheekpiece, Threaded Barrel
Origin
Country of origin: Czech Republic
Notes
Polymer thumbhole from CZ 600 ERGO design. Available with/without iron sights. Price from 17,090 CZK.
Background
The CZ 457 replaced the CZ 455 in 2019 with a user-swappable barrel system and improved adjustable trigger, becoming the benchmark for affordable precision rimfire rifles.