{"product_id":"sightmark-ultra-shot-m-spec-fms","title":"Sightmark Ultra Shot M-Spec FMS Reflex Sight – 65 MOA Circle with 2 MOA Dot","description":"\u003cp\u003eThe Sightmark Ultra Shot M-Spec FMS is a reflex sight designed for close-quarters shooting on rifles, shotguns, and pistol-caliber carbines. It features a 65 MOA circle reticle with a 2 MOA dot for rapid target acquisition in dynamic shooting scenarios. The sight offers four reticle patterns and five brightness settings to adapt to varying light conditions from low light to bright daylight.\u003c\/p\u003e\u003cp\u003eBuilt on a lightweight aluminum housing, the M-Spec FMS uses a single CR123A battery with up to 1,000 hours of runtime at mid-level brightness. The sight mounts directly to Picatinny and Weaver rails without requiring an adapter plate. It is nitrogen-purged for fog resistance and is IPX4 water-resistant for reliability in adverse weather. The unit is shockproof and rated for shotgun recoil, making it suitable for high-recoil firearms.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Reflex Sight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e 1x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective Lens:\u003c\/strong\u003e 33mm x 24mm window\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReticle:\u003c\/strong\u003e 65 MOA circle with 2 MOA dot (4 reticle patterns)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightness Settings:\u003c\/strong\u003e 5 levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Picatinny\/Weaver rail compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e CR123A (up to 1,000 hours)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof\/Fogproof:\u003c\/strong\u003e IPX4 water-resistant, nitrogen-purged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 6.4 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 3.3 inches\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sightmark","offers":[{"title":"Default Title","offer_id":47943651983615,"sku":"SM26035","price":239.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1335357.jpg?v=1766591447","url":"https:\/\/doublestackstore.com\/products\/sightmark-ultra-shot-m-spec-fms","provider":"Double Stack Store","version":"1.0","type":"link"}