{"product_id":"curved-bottom-low-profile-top-rail-picatinny-weaver-rail-mount-bases-500-590-835-series-shotgun-picatinny-weaver-13-slots-scope-base-top-rail-mount","title":"Mossberg 500\/590\/835 Picatinny Rail Scope Mount – 13-Slot 5.5\" Low Profile, Aircraft Aluminum","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose-Built for Mossberg 500, 590 \u0026amp; 835 Series:\u003c\/strong\u003e Installs directly into the factory mounting holes via included set screws — no drilling, no modifications, no additional hardware required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13-Slot, 5.5\" Picatinny Rail:\u003c\/strong\u003e 13 rail slots across 5.5\" of rail provide flexible eye relief adjustment and accommodate scopes, red dots, magnifiers, flashlights, and other Picatinny\/Weaver accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Profile U-Cut Design:\u003c\/strong\u003e Curved bottom and U-cut construction keeps the mount as low as possible on the receiver while reducing weight — a clean, streamlined look with no unnecessary bulk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT6-6061 Aircraft Aluminum Build:\u003c\/strong\u003e Precision machined from premium T6-6061 aircraft aluminum alloy with a matte black anodized finish — lightweight at just 2 oz, yet strong and corrosion-resistant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Hex Socket Screws:\u003c\/strong\u003e Custom high-strength hexagon socket screws fit the factory mounting holes perfectly — superior holding power compared to standard slotted screws. Allen wrench included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cp\u003e• \u003cstrong\u003eMaterial:\u003c\/strong\u003e T6-6061 Aircraft Aluminum Alloy\u003cbr\u003e• \u003cstrong\u003eFinish:\u003c\/strong\u003e Matte Black Anodize\u003cbr\u003e• \u003cstrong\u003eLength:\u003c\/strong\u003e 5.5\"\u003cbr\u003e• \u003cstrong\u003eWeight:\u003c\/strong\u003e 2 oz\u003cbr\u003e• \u003cstrong\u003eSlots:\u003c\/strong\u003e 13\u003cbr\u003e• \u003cstrong\u003eProfile:\u003c\/strong\u003e Low Profile \/ Curved Bottom\u003cbr\u003e• \u003cstrong\u003eMounting:\u003c\/strong\u003e Factory Holes + Included Set Screws \u0026amp; Allen Wrench\u003cbr\u003e• \u003cstrong\u003eCompatible Models:\u003c\/strong\u003e Mossberg 500, 590, 835 Series \u0026amp; Equivalent Shotguns\u003cbr\u003e• \u003cstrong\u003eRail Type:\u003c\/strong\u003e Picatinny \/ Weaver\u003c\/p\u003e","brand":"Castellan","offers":[{"title":"Default Title","offer_id":43378000953407,"sku":"140mm","price":9.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2876\/5247\/files\/01_c02784d2-7793-4cca-96af-940bb3f9d5c6.jpg?v=1781157694","url":"https:\/\/www.castellan.cn\/products\/curved-bottom-low-profile-top-rail-picatinny-weaver-rail-mount-bases-500-590-835-series-shotgun-picatinny-weaver-13-slots-scope-base-top-rail-mount","provider":"Castellan","version":"1.0","type":"link"}