{"product_id":"primary-arms-slx-md-21-red-dot-sight-2-moa-autolive-810027","title":"Primary Arms SLx MD-21 Red Dot Sight 2 MOA AutoLive – 810027","description":"\u003cp\u003eThe \u003cb\u003ePrimary Arms SLx MD-21\u003c\/b\u003e puts AutoLive convenience into a value-priced 21mm red dot sight — a crisp \u003cb\u003e2 MOA red dot\u003c\/b\u003e that wakes on movement and shuts down when idle, so the battery lasts and the dot is always on when you mount the rifle.\u003c\/p\u003e\u003cp\u003eSide push-buttons cycle brightness (night-vision compatible) and the aluminium housing is waterproof and shockproof. Low 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\u003eWant solar backup? Step up to the \u003ca href=\"\/products\/primary-arms-glx-md-21s-red-dot-sight-2-moa-solar-autolive-810025\"\u003eGLx MD-21S\u003c\/a\u003e. Prefer a rotary knob? The \u003ca href=\"\/products\/primary-arms-slx-md-25-gen-ii-red-dot-sight-2-moa-rotary-knob-810032\"\u003eSLx MD-25 Gen II\u003c\/a\u003e. Browse \u003ca href=\"\/collections\/rifle-dot-sights\"\u003erifle dot sights\u003c\/a\u003e and see \u003ca href=\"\/blogs\/news\/best-budget-red-dot-sights\"\u003ebest budget red dots\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\u003eAutoLive motion sensing (CR2032)\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; AutoLive motion sensing\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-SLX-MD-21 \/ 810027 \/ 818500018254\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\u003eSLx MD-21 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\u003eMD-21 vs MD-25?\u003c\/b\u003e\u003cbr\u003eThe MD-21 is the smaller 21mm push-button model; the MD-25 is a 25mm tube-style microdot with rotary knob controls.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWill it co-witness with my irons?\u003c\/b\u003e\u003cbr\u003eYes — the included riser sets absolute co-witness on an AR-15 flat-top.\u003c\/p\u003e","brand":"Primary Arms","offers":[{"title":"Default Title","offer_id":58206665408886,"sku":"PA-SLX-MD-21","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0337\/3216\/5771\/files\/primary-arms-slx-md-21-red-dot-sight-2-moa-autolive-810027-1.jpg?v=1785210451","url":"https:\/\/xtremetactical.co.uk\/products\/primary-arms-slx-md-21-red-dot-sight-2-moa-autolive-810027","provider":"Xtreme Tactical","version":"1.0","type":"link"}