{"product_id":"sig-sauer-m400-tread-sight-rail-m-lok-picatinny-4-slot-1-90","title":"Sig Sauer M400 Tread Sight Rail M-LOK Picatinny 4-Slot 1.90\"","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSig Sauer Sight Rail\u003c\/span\u003e\u003c\/strong\u003e is a factory replacement \u003cstrong\u003ePicatinny rail section\u003c\/strong\u003e built specifically for the \u003cstrong\u003eSig M400 Tread\u003c\/strong\u003e AR-platform rifle. The compact \u003cstrong\u003e1.90\"\u003c\/strong\u003e rail installs directly into the handguard's \u003cstrong\u003eM-LOK\u003c\/strong\u003e interface, giving you a solid 1913 Picatinny mounting point for a red dot, an offset iron sight, or a small backup optic without eating up valuable top rail space.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMachined from \u003cstrong\u003ealuminum\u003c\/strong\u003e and finished in a low-glare \u003cstrong\u003ematte black\u003c\/strong\u003e hard coat anodized coating, the Sight Rail matches the fit and finish of the original M400 Tread equipment. The section provides \u003cstrong\u003e4 Picatinny slots\u003c\/strong\u003e, plenty of room for most micro red dots and clamp-style backup iron sights. As a genuine \u003cstrong\u003efactory Sig Sauer\u003c\/strong\u003e part, it is purpose-built to drop into the M400 Tread handguard with no adapter or modification required. \u003cstrong\u003eRings are not included.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Sig Sauer","offers":[{"title":"Default Title","offer_id":55003157627202,"sku":"110261","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_6c2ff2f7-f635-4dd7-8383-da51443b3ced.png?v=1784558088","url":"https:\/\/centerfiresystems.com\/products\/sig-sauer-m400-tread-sight-rail-m-lok-picatinny-4-slot-1-90","provider":"Centerfire Systems","version":"1.0","type":"link"}