SKU: MEP0626610
UPC: 879015004378
The Meprolight M21 Open-x PIC ADPR QR is a self-illuminated reflex sight engineered for tactical operators, law enforcement, and military end-users who demand a backup or primary aiming solution that functions without external power. This ruggedized optic combines proven fiber optic and tritium illumination technology to deliver a constantly-ready point of aim under all lighting conditions—from bright daylight to near-total darkness—without batteries, switches, or electronic components to fail.
The sight's dual-illumination system harnesses ambient light through a fiber optic collector during day operations, automatically transitioning to a self-powered miniature tritium light source when ambient light drops below operational threshold. This passive approach eliminates dependency on battery management during extended field operations, training rotations, or duty cycles spanning weeks without resupply. The open-reflex design provides an unobstructed sight picture with both eyes open, enabling faster target acquisition and wider situational awareness compared to traditional tube-based optics. Mounting via Picatinny rail interface with quick-detach capability allows rapid installation, removal, and transfer across weapon platforms without tools or zero shift.
This platform is ideally suited for operators requiring a dependable secondary aiming device on rifle systems, primary sight on defensive carbines where passive illumination is preferred, or dedicated patrol and training weapons where long-term storage or minimal maintenance is essential. Law enforcement agencies and military units standardized on night-vision-compatible weapons systems frequently select self-illuminated reflex sights as backup solutions because they maintain functionality in any lighting environment without introducing reflective elements or electronic signature that might compromise night operations. At 1.19 lbs and compact footprint, the M21 adds negligible weight penalty and does not interfere with accessory mounting on standard tactical rails.
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