Enhance your ZCO ZC527 5-27x56 optic with this Tenebraex® Anti-Reflection Device (ARD) , precision-engineered to eliminate unwanted glare and reflection. Designed specifically for the objective side of your ZC527 riflescope, this Tactical Tough™ ARD helps conceal your position and protects your lens in demanding environments. Features: Fits ZCO ZC527 5-27x56 optics (Objective Side) killFLASH® technology with XLUME® coating to reduce signature Blocks sun, snow, and debris from reaching your lens Lightweight, rugged, and field-proven design Official Tenebraex Part Number: 56ARD-001BK1 Pair it with a matching Tenebraex flip cover for full lens protection and quick access in the field. (Objective part # 56FCR-001BK1 / Ocular part # 40MMFC-FCV )