{"product_id":"holosun-509t-picatinny-mount-1-63in-lower-1-3-509mnt-1-63-pic","title":"Holosun 509T Picatinny Mount 1.63in Lower 1\/3 – 509MNT-1.63-PIC","description":"\u003cp\u003eThe \u003cb\u003eHolosun 509MNT-1.63-PIC\u003c\/b\u003e is the genuine \u003cb\u003e1.63in Picatinny mount\u003c\/b\u003e for 509T-footprint enclosed red dots (HS509T, HE509T-RD\/GR), setting the dot at \u003cb\u003elower-1\/3 co-witness\u003c\/b\u003e on AR-15 flat-top rails.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFitment\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eWant the dot lower? Choose the \u003ca href=\"\/products\/holosun-509t-picatinny-mount-0-82in-low-profile-509mnt-0-82-pic\"\u003e0.82in low version\u003c\/a\u003e. Browse \u003ca href=\"\/collections\/enclosed-red-dot-sights\"\u003eenclosed red dots\u003c\/a\u003e and all \u003ca href=\"\/collections\/red-dot-sight-mounts\"\u003emounts\u003c\/a\u003e; our \u003ca href=\"\/blogs\/news\/red-dot-mount-height-chart\"\u003emount height chart\u003c\/a\u003e and \u003ca href=\"\/blogs\/news\/red-dot-co-witness-heights-explained\"\u003eco-witness guide\u003c\/a\u003e explain the choice.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Holosun mount for 509T footprint\u003c\/li\u003e\n\u003cli\u003e1.63in centreline — lower-1\/3 co-witness on AR-15\u003c\/li\u003e\n\u003cli\u003eClamps to any Picatinny (1913) rail\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOptic Footprint\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHolosun 509T (HS509T \/ HE509T)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHeight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1.63in — lower-1\/3 co-witness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRail\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePicatinny (MIL-STD-1913)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMPN \/ UPC\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e509MNT-1.63-PIC \/ 810047071082\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHolosun 1.63in Picatinny mount with hardware\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eUK Delivery \u0026amp; Support\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eUK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based support.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhich optics fit?\u003c\/b\u003e\u003cbr\u003eOptics with the Holosun 509T footprint — HS509T and HE509T-RD\/GR.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWill my iron sights still work?\u003c\/b\u003e\u003cbr\u003eYes — at 1.63in the irons appear in the lower third of the window as a backup.\u003c\/p\u003e","brand":"Holosun","offers":[{"title":"Default Title","offer_id":58206610162038,"sku":"509MNT-1.63-PIC","price":64.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0337\/3216\/5771\/files\/holosun-509t-picatinny-mount-1-63in-lower-1-3-509mnt-1-63-pic-1.jpg?v=1785205454","url":"https:\/\/xtremetactical.co.uk\/products\/holosun-509t-picatinny-mount-1-63in-lower-1-3-509mnt-1-63-pic","provider":"Xtreme Tactical","version":"1.0","type":"link"}