{"id":5324,"date":"2024-10-24T08:21:47","date_gmt":"2024-10-24T06:21:47","guid":{"rendered":"https:\/\/acheron.ch\/?post_type=product&#038;p=5324"},"modified":"2026-01-05T16:33:02","modified_gmt":"2026-01-05T15:33:02","slug":"acheron-kws-rail-system-sg-551","status":"publish","type":"product","link":"https:\/\/acheron.ch\/en\/produkt\/acheron-kws-rail-system-sg-551\/","title":{"rendered":"Acheron KWS Rail System SG 551 \/ SG 751"},"content":{"rendered":"<p>Our KWS Rail System for the SG 55x and SG 75x rifle family has been engineered to provide a stable platform for the attachment of accessories. In comparison to conventional handguards, the Acheron KWS Rail System connects to the host weapon without any wiggle. This enables the use of rail-mounted nightvision and laser aiming devices without point-of-impact shift caused by handguard movement. This upgrade adapts these rifles to modern requirements and greatly enhances their combat value.<\/p>\n<p>The top rail complies with both the NATO standard STANAG 4694 and the American standard MIL-STD-1913.<\/p>\n<p>M-LOK slots facilitate the attachment of accessories like weaponlights or foregrips and allow for excellent air circulation.<\/p>\n<p>Machined from high-strength aluminium, the KWS Rail system is both strong and lightweight. A hard coat anodized finish provides excellent resistance to wear and corrosion.<\/p>\n<p><strong>Variants<\/strong><\/p>\n<p><strong>Typ 0<\/strong><br \/>\nFits SG 551 with diopter sights. The height of the top rail sits flush with the following retrofit receiver-mounted top rails:<\/p>\n<ul>\n<li><a href=\"https:\/\/acheron.ch\/en\/produkt\/acheron-qd55x-rail\/\">Acheron QD55x Rail &#8211; Standard<\/a><\/li>\n<li>B&amp;T Low Profile Mount (Art. Nr. BT-20120-2)<\/li>\n<\/ul>\n<p><strong>Typ 1<\/strong><br \/>\nFits SG 551 and SG 751 variants with gen. 1 rail receiver (no indexing lug at the front end of the rail). The height of the top rail sits flush with the rail on the receiver.<\/p>\n<p><strong>Typ 2<\/strong><br \/>\nFits newer SG 551 variants with gen. 2 rail receiver (with indexing lug at the front end of the rail). The height of the top rail sits flush with the rail on the receiver.<\/p>\n<p>Designed, manufactured, finished and assembled in Switzerland.<\/p>\n<p><a class=\"button\" href=\"https:\/\/acheron.ch\/wordpress\/wp-content\/uploads\/2024\/02\/Operators-Manual-KWS-Rail-System-v4-Onlineversion.pdf\" target=\"_blank\" rel=\"noopener\">Download Operator\u2019s Manual<\/a><\/p>\n<p><a class=\"button hide-while-loggedin\" href=\"https:\/\/acheron.ch\/en\/dealers\/\">Find a dealer<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our KWS Rail System for the SG 55x and SG 75x rifle family has been engineered to provide a stable platform for the attachment of accessories. In comparison to conventional handguards, the Acheron KWS Rail System connects to the host weapon without any wiggle. This enables the use of rail-mounted nightvision and laser aiming devices [&hellip;]<\/p>\n","protected":false},"featured_media":5344,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[],"product_cat":[333,334],"product_tag":[],"class_list":["post-5324","product","type-product","status-publish","has-post-thumbnail","product_cat-rail-systems-en","product_cat-sg55x-en","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-variable"],"group_of_quantity":0,"min_quantity":0,"max_quantity":"","exclude_order_quantity_value_rules":"no","exclude_category_quantity_rules":"no","combine_variations":"no","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Acheron KWS Rail System SG 551 \/ SG 751 &#8212; Acheron Corp<\/title>\n<meta name=\"description\" content=\"Our KWS Rail System for the SG 55x rifle family has been engineered to provide a stable platform for the attachment of accessories.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/acheron.ch\/en\/produkt\/acheron-kws-rail-system-sg-551\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Acheron KWS Rail System SG 551 \/ SG 751 &#8212; 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