{"product_id":"holosun-509-mounting-plate-for-507c-rmr-cut-slides-509plt-507c","title":"Holosun 509 Mounting Plate for 507C\/RMR Cut Slides","description":"\u003cp\u003eThe Holosun 509PLT-507C is an adapter plate that lets a Holosun 509 series enclosed optic sit on a slide already cut for the 507C or Trijicon RMR footprint.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe 509T uses a rear-lug footprint of Holosun's own, so it will not bolt onto an RMR cut. This plate is the piece that bridges the two patterns.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is machined by Holosun from aluminium and hard-anodised, to the same tolerances as the optics it carries, which is the argument for a factory plate over a generic one: the lug pockets and screw positions are cut by the company that cut the optic. Holosun publish no weight or dimensions for the plate, and list no hardware content on the product page, so check what your slide and optic already have before fitting.\u003c\/p\u003e\n\u003cp\u003eThe practical gain is that an enclosed 509 series sight can go onto a host whose slide was machined years ago for an open-emitter RMR-pattern optic, without recutting anything. That matters because a sealed emitter cannot be blanked by rain, grit or propellant residue the way an exposed LED can. The limitation is narrow and worth stating: this plate is for 509 series optics on 507C and RMR cuts only. It will not carry an RMR-footprint sight such as the 507C or 407C, and it will not carry an RMSc-footprint sight such as the 507K or 407K.\u003c\/p\u003e\n\u003ch3\u003eWhy shooters choose the 509PLT-507C\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptic side\u003c\/strong\u003e — Holosun 509 series enclosed optics, on the 509T rear-lug footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlide side\u003c\/strong\u003e — pistol slides cut for the 507C or Trijicon RMR footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e — aluminium, hard-anodised\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot compatible\u003c\/strong\u003e — RMR-footprint optics such as the 507C, or RMSc optics such as the 507K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSource\u003c\/strong\u003e — a genuine Holosun part rather than a generic adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat the 509PLT-507C fits\u003c\/h3\u003e\n\u003cp\u003eThe host has to be a 507C or RMR cut, and the optic has to be a 509 series sight. Other hosts have their own plate: the \u003ca href=\"\/products\/holosun-509-mounting-plate-for-glock-mos-9mm-509plt-mos9mm\"\u003e509PLT-MOS9MM\u003c\/a\u003e is the Glock MOS version and the \u003ca href=\"\/products\/holosun-509-mounting-plate-for-cz-p10-509plt-czp10\"\u003e509PLT-CZP10\u003c\/a\u003e the CZ P-10 version. If the optic has to go on a rail rather than a slide, use the \u003ca href=\"\/products\/holosun-509t-picatinny-mount-0-82in-low-profile-509mnt-0-82-pic\"\u003e509T Picatinny mount at 0.82in\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eOptic adapter plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptic footprint\u003c\/th\u003e\n\u003ctd\u003eHolosun 509T rear-lug (509 series enclosed optics)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHost slide cut\u003c\/th\u003e\n\u003ctd\u003e507C \/ Trijicon RMR footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eHard-anodised\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003e509PLT-507C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eA small machined part, but the only thing standing between a 509 series sight and an RMR-cut slide. \u003cstrong\u003eOrder the 509PLT-507C today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/optic-mounts\"\u003eOptic Mounts\u003c\/a\u003e, \u003ca href=\"\/products\/holosun-509t-picatinny-mount-1-63in-lower-1-3-509mnt-1-63-pic\"\u003e509T Picatinny Mount 1.63in\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/holosun\"\u003eHolosun\u003c\/a\u003e.\u003c\/p\u003e","brand":"Holosun","offers":[{"title":"Default Title","offer_id":42898724847696,"sku":"509PLT-507C","price":44.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/4978\/1328\/files\/holosun-509-mounting-plate-for-507c-rmr-cut-slides-509plt-507c-1.jpg?v=1788746463","url":"https:\/\/xtremetacticalgunparts.co.uk\/products\/holosun-509-mounting-plate-for-507c-rmr-cut-slides-509plt-507c","provider":"Xtreme Tactical Gun Parts","version":"1.0","type":"link"}