{"product_id":"ultradyne-c2-folding-combo-aperture","title":"Ultradyne USA C2 Folding Combo Aperture Sight – Precision Rear Iron Sight for AR-15 Platforms","description":"\u003cp\u003eThe Ultradyne C2 Folding Combo Aperture delivers dual-aperture flexibility in a low-profile folding iron sight. Features both a precision 0.070\" aperture for target work and a larger 0.200\" aperture for rapid acquisition in defensive scenarios. The tool-free folding mechanism deploys quickly and locks securely, making it ideal for co-witnessing with red dots or as a standalone backup sight system.\u003c\/p\u003e\u003cp\u003eMounts to any MIL-STD-1913 Picatinny rail via a spring-loaded clamp mechanism that requires no additional tools. Precision-machined from 17-4 stainless steel with a corrosion-resistant black oxide finish. Designed for AR-15\/M16 platforms and compatible with standard A2 height front sights. The low-profile design folds flat when not in use to avoid snagging on gear or obstructing optic housings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Folding rear iron sight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAperture Sizes:\u003c\/strong\u003e 0.070\" (precision) \/ 0.200\" (rapid acquisition)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 17-4 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Type:\u003c\/strong\u003e Tool-free Picatinny clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Rails:\u003c\/strong\u003e MIL-STD-1913 Picatinny\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Platforms:\u003c\/strong\u003e AR-15\/M16 (A2 height front sight)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustment:\u003c\/strong\u003e Windage adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 1.2 oz\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ultradyne USA","offers":[{"title":"Default Title","offer_id":47940556685567,"sku":"UD10014","price":177.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2150726.jpg?v=1766559787","url":"https:\/\/doublestackstore.com\/products\/ultradyne-c2-folding-combo-aperture","provider":"Double Stack Store","version":"1.0","type":"link"}