{"id":5620,"date":"2024-02-14T19:46:21","date_gmt":"2024-02-14T19:46:21","guid":{"rendered":"https:\/\/nbg.eu\/?post_type=product&#038;p=5620"},"modified":"2026-10-17T03:27:46","modified_gmt":"2026-10-17T00:27:46","slug":"hk-mr-556-trigger","status":"publish","type":"product","link":"https:\/\/nbg.eu\/it\/product\/hk-mr-556-trigger\/","title":{"rendered":"Geissele HK MR 556 Trigger"},"content":{"rendered":"<div class=\"product-description\">\n<h2>Geissele HK MR556 Trigger<\/h2>\n<p>A Geissele two-stage trigger for the HK MR556 and semi-automatic HK 416 rifles. It is similar to Geissele&#8217;s Super Semi-Automatic (SSA): a light first stage followed by a clean second-stage break, non-adjustable.<\/p>\n<ul>\n<li>Two-stage, non-adjustable pull of approx. 4.5 lb total (SSA-type weights)<\/li>\n<li>Fits the HK MR556 and semi-automatic HK 416<\/li>\n<li>Mil-spec pin size<\/li>\n<\/ul>\n<p>Designed to work with the mil-spec 90-degree safety selector; compatibility with short-throw safeties is not known. Note: once installed, the hammer must be cocked before the safety can be engaged &#8211; unlike the original HK trigger, the selector cannot be put on Safe with the hammer forward.<\/p>\n<h3>Specifications:<\/h3>\n<ul>\n<li>Platform: HK MR556 \/ semi-auto HK 416<\/li>\n<li>Type: 2-stage, non-adjustable<\/li>\n<li>First stage: 1.25-1.36 kg (2.75-3 lb)<\/li>\n<li>Second stage: 0.68-0.79 kg (1.5-1.75 lb)<\/li>\n<li>Total pull weight: 1.93-2.15 kg (4.25-4.75 lb)<\/li>\n<li>Pin size: mil-spec<\/li>\n<li>Geissele part number: 05-220<\/li>\n<li>Weights are approximate (maker data)<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Geissele two-stage trigger for the HK MR556 and semi-auto HK 416, similar to the Geissele SSA. Total pull approx. 1.93-2.15 kg (4.25-4.75 lb), first stage 2.75-3 lb, second stage 1.5-1.75 lb; non-adjustable.<\/p>\n","protected":false},"featured_media":5625,"template":"","meta":{"_acf_changed":false},"product_brand":[11376],"product_cat":[219,271,262],"product_tag":[],"class_list":{"0":"post-5620","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-geissele","7":"product_cat-rifle","8":"product_cat-rifle-tuning","9":"product_cat-triggers","11":"first","12":"instock","13":"sale","14":"taxable","15":"shipping-taxable","16":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/nbg.eu\/it\/wp-json\/wp\/v2\/product\/5620","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbg.eu\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nbg.eu\/it\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbg.eu\/it\/wp-json\/wp\/v2\/media\/5625"}],"wp:attachment":[{"href":"https:\/\/nbg.eu\/it\/wp-json\/wp\/v2\/media?parent=5620"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nbg.eu\/it\/wp-json\/wp\/v2\/product_brand?post=5620"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nbg.eu\/it\/wp-json\/wp\/v2\/product_cat?post=5620"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nbg.eu\/it\/wp-json\/wp\/v2\/product_tag?post=5620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}