Vector Optics Frenzy-S 1x17x21 GenII Red Dot Sight – Lightweight Micro Reflex Optic for Speed and Precision

The Vector Optics Frenzy-S 1x17x21 GenII is a second-generation compact reflex sight engineered for rapid target acquisition in both competitive and tactical environments. Featuring a crystal-clear 3 MOA red dot, motion-sensor activation, and ultra-lightweight construction, this optic is a trusted choice for handguns, PCCs, shotguns, and lightweight AR builds. Its durable aluminum body, wide viewing window, and precise 1 MOA click adjustments make it ideal for shooters who demand speed, accuracy, and reliability in any lighting condition.

Key Features of the Frenzy-S GenII Red Dot

• 3 MOA Red Dot Reticle: Crisp and bright for fast, accurate targeting without obscuring your view.
• 1× True Magnification: Maintains natural target visibility and situational awareness—ideal for both-eyes-open shooting.
• Generous Viewing Window: 17×21 mm window offers a wide field of view despite the sight’s ultra-compact size.
• Auto Motion Sensor Activation: Sight powers on with movement and powers off after inactivity, preserving battery life without needing manual operation.
• 1 MOA Click Value: Precise windage and elevation adjustments with a generous 120 MOA range in each direction.
• Lightweight Build: Weighs just 65 g, perfect for handguns and compact platforms where balance is essential.

Practical Use Scenarios and Benefits

The Frenzy-S 1x17x21 GenII is perfect for dynamic shooting scenarios where speed and clarity are crucial. Whether used in IPSC or USPSA pistol competitions, home defense applications, or on a shotgun for fast-action hunting, the 3 MOA dot ensures rapid target acquisition with pinpoint precision.

Its compact footprint is also ideal for mounting on optic-ready pistols using the Vector Optics or compatible footprint (typically RMS/SMS style). The side-mounted battery compartment allows for battery changes without removing the sight, which is a major advantage for duty or competition shooters who cannot afford to lose zero.

Mechanical Durability and Build Quality

• Housing Material: CNC-machined from aircraft-grade 6061-T6 aluminum for a strong yet lightweight body.
• Finish: Matte black anodized surface reduces reflections and resists scratches and corrosion.
• Shockproof & Waterproof: Engineered to withstand the recoil of handguns and rifles, and protected against rain and debris.
• Mounting System: Compatible with Vector Optics' footprint and aftermarket mounting plates (RMS-compatible).

What’s Included in the Box

• 1× Vector Optics Frenzy-S 1x17x21 GenII Red Dot Sight
• 1× Picatinny Mount (if included depending on variant)
• 1× Rubber Lens Cover
• 1× CR2032 Battery (pre-installed or included)
• 1× Adjustment Tool
• 1× Cleaning Cloth
• 1× User Manual

Technical Specifications

Summary

The Vector Optics Frenzy-S 1x17x21 GenII is a professional-grade micro reflex sight combining speed, precision, and durability. With its motion-activated illumination, precise adjustments, and compact design, it’s a reliable optic for pistol shooters, PCC competitors, and tactical users alike. Built to withstand recoil, weather, and stress, this red dot delivers dependable performance in every environment—ready when you are.