{"id":19115,"date":"2026-02-18T11:45:26","date_gmt":"2026-02-18T10:45:26","guid":{"rendered":"https:\/\/bock.si\/trgovina\/cz-457-ergo\/"},"modified":"2026-02-18T11:49:37","modified_gmt":"2026-02-18T10:49:37","slug":"cz-457-ergo","status":"publish","type":"product","link":"https:\/\/bock.si\/en\/shop\/cz-457-ergo\/","title":{"rendered":"CZ 457 ERGO"},"content":{"rendered":"<p>The CZ 457 ERGO is based on the popular and proven CZ 457 modular platform, upgraded with a new thumbhole stock inspired by the design of the CZ 600 ERGO. The polymer stock, reinforced with fiberglass and equipped with a removable cheekpiece, provides exceptional comfort and high durability, while maintaining a very pleasant weight.<\/p>\n<p>The CZ 457 ERGO is equipped with 525 mm cold-forged barrels with standardized threads for mounting muzzle devices. It is available in a version with mechanical sights or without sights, which is ideal for mounting a riflescope. In the version with mechanical sights, the mounting holes can be closed with the included plugs after removing the sights.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Technical specifications<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Specification<\/strong><\/td>\n<td><strong>.22 LR (with sights)<\/strong><\/td>\n<td><strong>.22 LR (without sights)<\/strong><\/td>\n<td><strong>.17 HMR (with sights)<\/strong><\/td>\n<td><strong>.17 HMR (without sights)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Caliber<\/strong><\/td>\n<td>.22LR<\/td>\n<td>.22LR<\/td>\n<td>.17 HMR<\/td>\n<td>.17 HMR<\/td>\n<\/tr>\n<tr>\n<td><strong>Thread pitch \/ Flutes<\/strong><\/td>\n<td>1:16 \/ 6<\/td>\n<td>1:16 \/ 6<\/td>\n<td>1:9 \/ 6<\/td>\n<td>1:9 \/ 6<\/td>\n<\/tr>\n<tr>\n<td><strong>Magazine capacity<\/strong><\/td>\n<td>5<\/td>\n<td>5<\/td>\n<td>5<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td><strong>Compensator<\/strong><\/td>\n<td>No<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td><strong>LOP (length of hoof)<\/strong><\/td>\n<td>355mm<\/td>\n<td>355mm<\/td>\n<td>355mm<\/td>\n<td>355mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Cheekbone<\/strong><\/td>\n<td>Removable<\/td>\n<td>Removable<\/td>\n<td>Removable<\/td>\n<td>Removable<\/td>\n<\/tr>\n<tr>\n<td><strong>Stock material<\/strong><\/td>\n<td>Polymer<\/td>\n<td>Polymer<\/td>\n<td>Polymer<\/td>\n<td>Polymer<\/td>\n<\/tr>\n<tr>\n<td><strong>Stock surface treatment<\/strong><\/td>\n<td>None<\/td>\n<td>None<\/td>\n<td>None<\/td>\n<td>None<\/td>\n<\/tr>\n<tr>\n<td><strong>Muzzle Thread\u00a0<\/strong><\/td>\n<td>1\/2&#8243; \u00d7 20<\/td>\n<td>1\/2&#8243; \u00d7 20<\/td>\n<td>1\/2&#8243; \u00d7 20<\/td>\n<td>1\/2&#8243; \u00d7 20<\/td>\n<\/tr>\n<tr>\n<td><strong>Barrel profile<\/strong><\/td>\n<td>Light<\/td>\n<td>Light<\/td>\n<td>Light<\/td>\n<td>Light<\/td>\n<\/tr>\n<tr>\n<td><strong>Barrel\u00a0 length<\/strong><\/td>\n<td>525mm<\/td>\n<td>525mm<\/td>\n<td>525mm<\/td>\n<td>525mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Total length<\/strong><\/td>\n<td>976 mm<\/td>\n<td>976 mm<\/td>\n<td>976 mm<\/td>\n<td>976 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight<\/strong><\/td>\n<td>2.3 kg<\/td>\n<td>2.3 kg<\/td>\n<td>2.3 kg<\/td>\n<td>2.3 kg<\/td>\n<\/tr>\n<tr>\n<td><strong>Trigger<\/strong><\/td>\n<td>Single-stage, adjustable<\/td>\n<td>Single-stage, adjustable<\/td>\n<td>Single-stage, adjustable<\/td>\n<td>Single-stage, adjustable<\/td>\n<\/tr>\n<tr>\n<td><strong>Trigger force<\/strong><\/td>\n<td>11.1\u201314 N<\/td>\n<td>11.1\u201314 N<\/td>\n<td>11.1\u201314 N<\/td>\n<td>11.1\u201314 N<\/td>\n<\/tr>\n<tr>\n<td><strong>Sights<\/strong><\/td>\n<td>Fixed<\/td>\n<td>No<\/td>\n<td>Fixed<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td><strong>Category<\/strong><\/td>\n<td>C1<\/td>\n<td>C1<\/td>\n<td>C1<\/td>\n<td>C1<\/td>\n<\/tr>\n<tr>\n<td><strong>Warranty<\/strong><\/td>\n<td>2 years<\/td>\n<td>2 years<\/td>\n<td>2 years<\/td>\n<td>2 years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>The CZ 457 ERGO is based on the popular and proven CZ 457 modular platform, upgraded with a new thumbhole stock inspired by the design of the CZ 600 ERGO. The polymer stock, reinforced with fiberglass and equipped with a removable cheekpiece, provides exceptional comfort and high durability, while maintaining a very pleasant weight. The&hellip;<\/p>\n","protected":false},"featured_media":19114,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"pwb-brand":[187],"product_brand":[],"product_cat":[659,661],"product_tag":[1029],"class_list":{"0":"post-19115","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"pwb-brand-ceska-zbrojovka","7":"product_cat-hunting-and-sports-weapons","8":"product_cat-rimfire-rifles","9":"product_tag-orozje","10":"description-off","12":"first","13":"onbackorder","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-variable"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CZ 457 ERGO - BOCK Kranj<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bock.si\/en\/shop\/cz-457-ergo\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CZ 457 ERGO - BOCK Kranj\" \/>\n<meta property=\"og:description\" content=\"The CZ 457 ERGO is based on the popular and proven CZ 457 modular platform, upgraded with a new thumbhole stock inspired by the design of the CZ 600 ERGO. The polymer stock, reinforced with fiberglass and equipped with a removable cheekpiece, provides exceptional comfort and high durability, while maintaining a very pleasant weight. 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