{"product_id":"geissele-hk-mr-556-trigger","title":"Geissele HK MR 556 Trigger","description":"\u003cp\u003eSSA-style two-stage trigger for the HK MR556 and semi-auto HK416.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor HK MR556 \/ semi-auto HK416\u003c\/li\u003e\n\u003cli\u003eSSA-style two-stage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003e2 Stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e1st stage weight\u003c\/th\u003e\n\u003ctd\u003e2.75 - 3.0 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e2nd stage weight\u003c\/th\u003e\n\u003ctd\u003e1.5 - 1.75 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal pull weight\u003c\/th\u003e\n\u003ctd\u003e4.25 - 4.75 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdjustable\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePin size\u003c\/th\u003e\n\u003ctd\u003eMil-Spec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003ePlease note, the HK MR 556 is designed to work with a mil spec 90-degree safety. Compatibility with short throw safeties in the A4 series is unknown at this time.\u003c\/p\u003e\u003cp\u003eAfter installing the MR 556 trigger you must cock the hammer in order to engage the safety unlike the HK trigger system where you can place the selector on Safe with the hammer forward.\u003c\/p\u003e","brand":"Geissele Automatics","offers":[{"title":"Default Title","offer_id":67481944785186,"sku":"05-220","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/0896\/1058\/files\/eo_geissele-05-220.jpg?v=1791479149","url":"https:\/\/bnbfirearms.com\/products\/geissele-hk-mr-556-trigger","provider":"B\u0026B Firearms","version":"1.0","type":"link"}