{"id":29606,"date":"2026-05-23T08:01:09","date_gmt":"2026-05-23T13:01:09","guid":{"rendered":"https:\/\/surplused.com\/index.php\/2026\/05\/23\/sig-manurhin-543-semiauto-i-really-like-this-rifle\/"},"modified":"2026-05-23T08:01:09","modified_gmt":"2026-05-23T13:01:09","slug":"sig-manurhin-543-semiauto-i-really-like-this-rifle","status":"publish","type":"post","link":"https:\/\/surplused.com\/index.php\/2026\/05\/23\/sig-manurhin-543-semiauto-i-really-like-this-rifle\/","title":{"rendered":"SIG Manurhin 543 Semiauto: I Really Like This Rifle"},"content":{"rendered":"<div class=\"mejs-video-container\"><iframe loading=\"lazy\" allow=\"autoplay\" width=\"580\" height=\"380\" src=\"https:\/\/www.youtube.com\/embed\/s9W14CwIT6Y?controls=1\" frameborder=\"0\" allowfullscreen><\/iframe><\/div>\n<p>SIG introduced the 540 series of rifles in 1973, which included the full-length 540 in 5.56mm, the 541 in a number of experimental calibers for the Swiss military, the 542 in 7.62mm NATO, and the 543 carbine with an 11.8&#8243; (300mm) barrel in 5.56mm. In 1978 they licensed production of the 540, 542, and 543 to Manurhin in France, to sidestep Swiss export laws. The rifles were sold to a wide variety of small nations in Africa, South America, Asia, and the Middle East &#8211; including Lebanon, where this example came from. A batch of 542 and 543 kits came into the US from Lebanon recently, and Troy Ess at TTE Precision Metalwerks developed semiauto receivers for them.<\/p>\n<p>Disclaimer: I paid in full for everything in this video.<\/p>\n<p>The best firearms reference books: <a href=\"https:\/\/www.headstamppublishing.com\" target=\"_blank\">https:\/\/www.headstamppublishing.com<\/a><\/p>\n<p><a href=\"http:\/\/www.patreon.com\/ForgottenWeapons\" target=\"_blank\">http:\/\/www.patreon.com\/ForgottenWeapons<\/a><br \/><a href=\"http:\/\/www.floatplane.com\/channel\/ForgottenWeapons\" target=\"_blank\">http:\/\/www.floatplane.com\/channel\/ForgottenWeapons<\/a><\/p>\n<p>Cool Forgotten Weapons merch! <a href=\"http:\/\/shop.forgottenweapons.com\" target=\"_blank\">http:\/\/shop.forgottenweapons.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SIG introduced the 540 series of rifles in 1973, which included the full-length 540 in 5.56mm, the 541 in a number of experimental calibers for the Swiss military, the 542 in 7.62mm NATO, and the 543 carbine with an 11.8&#8243; (300mm) barrel in 5.56mm. In 1978 they licensed production of the 540, 542, and 543&hellip;&nbsp;<a href=\"https:\/\/surplused.com\/index.php\/2026\/05\/23\/sig-manurhin-543-semiauto-i-really-like-this-rifle\/\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">SIG Manurhin 543 Semiauto: I Really Like This Rifle<\/span><\/a><\/p>\n","protected":false},"author":12,"featured_media":29607,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[89,19],"tags":[],"class_list":["post-29606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-content","category-video"],"_links":{"self":[{"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/posts\/29606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/comments?post=29606"}],"version-history":[{"count":0,"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/posts\/29606\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/media\/29607"}],"wp:attachment":[{"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/media?parent=29606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/categories?post=29606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/surplused.com\/index.php\/wp-json\/wp\/v2\/tags?post=29606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}