{"product_id":"hiviz-arn21-folding-ar-back-up-sight-black","title":"Hiviz ARN21 Folding AR Back Up Sight - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eHiviz ARN21\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003efolding rear back up sight\u003c\/strong\u003e designed for the \u003cstrong\u003eAR-15\u003c\/strong\u003e platform. Built to mount directly to a standard \u003cstrong\u003ePicatinny rail\u003c\/strong\u003e and fold flat when not in use, the ARN21 gives shooters a compact, dependable iron-sight aiming point that sits behind a red dot, holographic optic, or magnified scope without crowding the primary optic's sight line.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe ARN21 is purpose-built to \u003cstrong\u003epair with an A2-style front sight post\u003c\/strong\u003e, serving as the rear element of a complete backup iron sight (BUIS) system. Its folding design deploys with a positive lockup when called upon and tucks neatly out of the way when running a primary optic, so the rifle stays set up with iron-sight capability at all times. Finished in \u003cstrong\u003eblack\u003c\/strong\u003e to blend with most AR-15 rail systems and receivers.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are running a duty carbine, a training rifle, or a defensive AR-15 setup, the Hiviz ARN21 offers a straightforward, no-nonsense folding rear back up sight that complements your A2 front post and keeps you on target if your primary optic goes down.\u003c\/span\u003e\u003c\/p\u003e","brand":"Hiviz","offers":[{"title":"Default Title","offer_id":55011055796546,"sku":"161809","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_e47982a3-48a6-43d7-a9e9-81e1de2a2e81.png?v=1784635735","url":"https:\/\/centerfiresystems.com\/products\/hiviz-arn21-folding-ar-back-up-sight-black","provider":"Centerfire Systems","version":"1.0","type":"link"}