{"product_id":"ar15-detachable-rear-sight","title":"Ar15 Detachable Rear Sight","description":"For solid and dependable back-up fixed A2 rear sight, the NcSTAR MARDRS does not take up much of your valuable Picatinny rail space. You can have a back-up iron sight ready to go at a moment's notice and have space for a red-dot\/ reflex\/ holographic optic on your AR-15 upper receiver.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e\u003cbr\u003e- The MARDRS will fit virtually all AR-15, M4, and M16 flattop Picatinny rail upper receivers. \u003cbr\u003e- A2 rear sight assembly with large and small rear aperture. The A2 rear sight is fully adjustable for elevation \u0026amp; windage with knurled click adjustable controls. \u003cbr\u003e- Large steel thumb nut and steel rail clamp for positive \u0026amp; secure attachment to your upper receiver. \u003cbr\u003e- Compact enough, where you will still be able to mount a red-dot\/ reflex\/ holographic optic on your AR-15 upper receiver. \u003cbr\u003e- Precision made A2 rear sight. The mount and rear sight is made from high quality aluminum and steel. \u003cbr\u003e- The MARDRS is 2 3\/4 Length X 1 5\/8 Height","brand":"NcStar","offers":[{"title":"Default Title","offer_id":22105140822095,"sku":"59751","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0092\/7861\/9727\/products\/GS59751.jpg?v=1555670058","url":"https:\/\/green-supply3.myshopify.com\/products\/ar15-detachable-rear-sight","provider":"Green Supply3","version":"1.0","type":"link"}