{"product_id":"primary-arms-glx-md-21s-red-dot-sight-2-moa-solar-autolive-810025","title":"Primary Arms GLx MD-21S Red Dot Sight 2 MOA Solar AutoLive – 810025","description":"\u003cp\u003eThe \u003cb\u003ePrimary Arms GLx MD-21S\u003c\/b\u003e is a duty-grade 21mm red dot sight with a \u003cb\u003eSolar Failsafe panel\u003c\/b\u003e backing up the battery and \u003cb\u003eAutoLive\u003c\/b\u003e motion sensing that wakes the dot the instant the rifle moves.\u003c\/p\u003e\u003cp\u003eThe crisp \u003cb\u003e2 MOA red dot\u003c\/b\u003e runs from a CR2032 with side-mounted push-button controls and night-vision-compatible settings, in a shockproof, waterproof aluminium housing. Low-profile and absolute co-witness mounts ship in the box.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHow It Compares\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003ePrefer a ring-and-dot reticle? The \u003ca href=\"\/products\/primary-arms-glx-md-21s-red-dot-sight-acss-cqb-reticle-solar-autolive-810026\"\u003eMD-21S ACSS-CQB\u003c\/a\u003e. Tighter budget, no solar? The \u003ca href=\"\/products\/primary-arms-slx-md-21-red-dot-sight-2-moa-autolive-810027\"\u003eSLx MD-21\u003c\/a\u003e. Browse all \u003ca href=\"\/collections\/rifle-dot-sights\"\u003erifle dot sights\u003c\/a\u003e and \u003ca href=\"\/collections\/red-dot-sights\"\u003ered dots\u003c\/a\u003e; see our \u003ca href=\"\/blogs\/news\/red-dot-size-chart\"\u003edot size chart\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2 MOA red dot, night-vision compatible\u003c\/li\u003e\n\u003cli\u003eSolar Failsafe + AutoLive motion sensing\u003c\/li\u003e\n\u003cli\u003eSide push-button brightness controls\u003c\/li\u003e\n\u003cli\u003eLow + absolute co-witness mounts included\u003c\/li\u003e\n\u003cli\u003eWaterproof, shockproof aluminium; lifetime warranty\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\u003eReticle\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2 MOA red dot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCR2032 + Solar Failsafe; AutoLive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSize\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e21mm micro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMounts\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eLow + absolute co-witness (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSKU \/ MPN \/ UPC\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePA-GLX-MD-21S \/ 810025 \/ 818500018278\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\u003eGLx MD-21S sight, low mount, co-witness riser + spacer, CR2032, tools, manual\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 and Primary Arms' lifetime warranty.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhat does AutoLive do?\u003c\/b\u003e\u003cbr\u003eMotion sensing shuts the dot down when idle and wakes it instantly on movement — maximum battery life with zero buttons to press.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eGLx vs SLx MD-21?\u003c\/b\u003e\u003cbr\u003eThe GLx MD-21S adds the Solar Failsafe panel and upgraded spec over the value SLx MD-21.\u003c\/p\u003e","brand":"Primary Arms","offers":[{"title":"Default Title","offer_id":58206665343350,"sku":"PA-GLX-MD-21S","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0337\/3216\/5771\/files\/primary-arms-glx-md-21s-red-dot-sight-2-moa-solar-autolive-810025-1.jpg?v=1785269688","url":"https:\/\/xtremetactical.co.uk\/products\/primary-arms-glx-md-21s-red-dot-sight-2-moa-solar-autolive-810025","provider":"Xtreme Tactical","version":"1.0","type":"link"}