{"product_id":"11-to-20mm-adapter-bracket-scope-mount-mini-riser-mount-bracket-11mm-to-20mm-small-clip-2-pcs","title":"11mm to 20mm Rail Adapter | Aluminum Ring Converter | 37mm | 2-Pack","description":"\u003ch2\u003e11mm to 20mm Rail Adapter — Aluminum Ring Converter (2-Pack)\u003c\/h2\u003e\u003cp\u003eA compact, low-profile ring converter that adapts any 11mm Weaver dovetail rail to a standard 20mm Picatinny rail. Ideal for mounting modern optics and accessories on air rifles, rimfire rifles, and other platforms with 11mm rails. Comes in a 2-pack for dual-mount setups.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e11mm → 20mm Conversion\u003c\/strong\u003e — Adapts 11mm Weaver dovetail to standard 20mm Picatinny rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra Low Profile \u0026amp; Lightweight\u003c\/strong\u003e — Minimal height addition keeps your optics close to the bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRough-Surface Grip\u003c\/strong\u003e — Textured contact surface for extra-secure, slip-free installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Construction\u003c\/strong\u003e — Lightweight yet rigid; matte black anodized finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Pack Included\u003c\/strong\u003e — Two adapters per package for front and rear ring mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003eColor: Matte Black\u003c\/li\u003e\n\u003cli\u003eInput Rail: 11mm Weaver Dovetail\u003c\/li\u003e\n\u003cli\u003eOutput Rail: 20mm Picatinny\u003c\/li\u003e\n\u003cli\u003eLength: 37mm\u003c\/li\u003e\n\u003cli\u003eWeight: 35g (per pair)\u003c\/li\u003e\n\u003cli\u003ePackage: 2× Ring Converters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castellan","offers":[{"title":"Default Title","offer_id":43493369544767,"sku":null,"price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2876\/5247\/files\/140_39ce4fb6-c764-4ae3-8511-780b72346137.jpg?v=1783323777","url":"https:\/\/www.castellan.cn\/products\/11-to-20mm-adapter-bracket-scope-mount-mini-riser-mount-bracket-11mm-to-20mm-small-clip-2-pcs","provider":"Castellan","version":"1.0","type":"link"}