{"product_id":"30mm-qd-steel-scope-ring-mounts-quick-detach-picatinny-rail","title":"30mm QD Steel Scope Ring Mounts – Quick Detach for Picatinny Rail","description":"\u003ch2\u003eFast Deployment, Zero Compromise on Precision\u003c\/h2\u003e\u003cp\u003eThese 30mm quick-detach (QD) steel scope ring mounts let you mount and dismount your optic in seconds — without losing zero. Built from high-strength steel with a dual-screw clamping system per ring, they deliver the rigidity and repeatability that tactical shooters demand on Picatinny rail platforms.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eQuick-detach (QD) lever system – rapid on\/off without tools, returns to zero reliably\u003c\/li\u003e\n\u003cli\u003e30mm inner diameter – fits most modern riflescopes, red dots, and laser sights\u003c\/li\u003e\n\u003cli\u003eDual-screw clamping per ring – maximum grip, no slippage under recoil\u003c\/li\u003e\n\u003cli\u003eHigh-strength steel construction – built to withstand hard use in the field\u003c\/li\u003e\n\u003cli\u003eFixed mount (no cant\/tilt) – consistent, repeatable alignment every time\u003c\/li\u003e\n\u003cli\u003eMatte black finish – non-reflective and corrosion-resistant\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter: 30mm\u003c\/li\u003e\n\u003cli\u003eRail Compatibility: Picatinny\u003c\/li\u003e\n\u003cli\u003eMounting: Quick-detach (QD) lever\u003c\/li\u003e\n\u003cli\u003eClamping: Dual-screw per ring\u003c\/li\u003e\n\u003cli\u003eAdjustment: Fixed (no cant\/tilt)\u003c\/li\u003e\n\u003cli\u003eMaterial: High-strength steel\u003c\/li\u003e\n\u003cli\u003eColor: Matte black\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e30mm QD mounting rings × 2\u003c\/li\u003e\n\u003cli\u003eHex key × 1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castellan","offers":[{"title":"Default Title","offer_id":43509821112383,"sku":null,"price":13.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2876\/5247\/files\/378.jpg?v=1783667101","url":"https:\/\/www.castellan.cn\/products\/30mm-qd-steel-scope-ring-mounts-quick-detach-picatinny-rail","provider":"Castellan","version":"1.0","type":"link"}