{"product_id":"holosun-509-mounting-plate-for-glock-mos-9mm-509plt-mos9mm","title":"Holosun 509 Mounting Plate for Glock MOS 9mm – 509PLT-MOS9MM","description":"\u003cp\u003eThe \u003cb\u003eHolosun 509PLT-MOS9MM\u003c\/b\u003e is a genuine Holosun adapter plate that mounts a \u003cb\u003e509T-footprint enclosed red dot sight\u003c\/b\u003e — the HS509T X2, HE509T X2 or HE509T-X2-GD — onto Glock MOS optics-ready slides in 9mm, including the G17, G19, G34 and G45 MOS. The plate and the correct screws for both plate-to-slide and optic-to-plate are supplied together.\u003c\/p\u003e\u003cp\u003eThe 509T uses Holosun's own rear-lug footprint rather than the RMR or RMSc pattern, so it will not bolt straight onto a factory optic cut. This plate is the part that bridges the two.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHow It Compares\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eFor a CZ P-10 host use the \u003ca href=\"\/products\/holosun-509-mounting-plate-for-cz-p10-509plt-czp10\"\u003e509PLT-CZP10 plate\u003c\/a\u003e, and for an RMR-cut slide use the \u003ca href=\"\/products\/holosun-509-mounting-plate-for-507c-rmr-cut-slides-509plt-507c\"\u003e509PLT-507C plate\u003c\/a\u003e. If your optic is a K-series rather than a 509T, see the \u003ca href=\"\/products\/holosun-k-mounting-plate-for-glock-mos-9mm-kplt-mos9mm\"\u003eK mounting plate for Glock MOS 9mm\u003c\/a\u003e. Our \u003ca href=\"\/blogs\/news\/glock-mos-optic-fitting-guide\"\u003eGlock MOS optic fitting guide\u003c\/a\u003e walks through the whole job.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eIdeal For\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAirsoft gas blowback pistol builds that use a Glock MOS slide\u003c\/li\u003e\n\u003cli\u003eSection 1 long-barrelled pistols and revolvers built on a Glock MOS pattern\u003c\/li\u003e\n\u003cli\u003eLicensed pistol setups in Northern Ireland and target work overseas\u003c\/li\u003e\n\u003cli\u003eTraining and dry-practice rigs where the optic needs to move between hosts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOptic Footprint:\u003c\/b\u003e Holosun 509T rear-lug footprint, not RMR and not RMSc\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHost:\u003c\/b\u003e Glock MOS optics-ready slides (9mm models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardware:\u003c\/b\u003e plate-to-slide and optic-to-plate screws supplied\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild:\u003c\/b\u003e genuine Holosun part, machined to Holosun's own tolerances\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 footprint (HS509T \/ HE509T)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFits\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eGlock MOS optics-ready slides, 9mm models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHardware\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting screws included (plate-to-slide and optic-to-plate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMPN \/ UPC\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e509PLT-MOS9MM \/ 810047071020\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\n\u003cli\u003eHolosun 509PLT-MOS9MM mounting plate\u003c\/li\u003e\n\u003cli\u003ePlate-to-slide and optic-to-plate mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eWarranty\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eCovered by Holosun's manufacturer warranty, handled in the UK by Xtreme Tactical.\u003c\/p\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 and Holosun's warranty.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhich optics does the Holosun 509PLT-MOS9MM plate fit?\u003c\/b\u003e\u003cbr\u003eThe Holosun 509PLT-MOS9MM plate fits optics with the Holosun 509T footprint, which means the HS509T X2, the HE509T X2 and the HE509T-X2-GD. It does not fit RMR-footprint optics such as the 507C or 407C, and it does not fit RMSc-footprint optics such as the 507K or 407K.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhich slides does the Holosun 509PLT-MOS9MM plate fit?\u003c\/b\u003e\u003cbr\u003eThe Holosun 509PLT-MOS9MM plate fits Glock MOS optics-ready slides in 9mm that use Glock's standard MOS plate system, including the G17, G19, G34 and G45 MOS.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eAre the mounting screws included with the Holosun 509PLT-MOS9MM?\u003c\/b\u003e\u003cbr\u003eYes. The Holosun 509PLT-MOS9MM is supplied with both sets of screws — those that fix the plate to the slide, and those that fix the optic to the plate.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eIs the 509T footprint the same as RMR or RMSc?\u003c\/b\u003e\u003cbr\u003eNo. The Holosun 509T uses a rear-lug footprint unique to Holosun's 509 series. RMR is the larger Trijicon pattern used by the 507C and 407C, and RMSc is the smaller Shield pattern used by the 507K and 407K. Our \u003ca href=\"\/blogs\/news\/pistol-red-dot-footprint-compatibility-chart\"\u003epistol red dot footprint compatibility chart\u003c\/a\u003e sets out which optic fits which cut.\u003c\/p\u003e","brand":"Holosun","offers":[{"title":"Default Title","offer_id":58206610358646,"sku":"509PLT-MOS9MM","price":34.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0337\/3216\/5771\/files\/holosun-509-mounting-plate-for-glock-mos-9mm-509plt-mos9mm-1.jpg?v=1785205520","url":"https:\/\/xtremetactical.co.uk\/products\/holosun-509-mounting-plate-for-glock-mos-9mm-509plt-mos9mm","provider":"Xtreme Tactical","version":"1.0","type":"link"}