Vortex Defender-ST, 3 MOA Green Dot, Black, Micro Green Dot Sight From handguns to shotguns to offset carbine mounts, the Defender-ST is a duty-ready reflex sight engineered for fast-paced environments and hard-use scenarios. Featuring a bright green 3 MOA dot, rugged housing, and intuitive controls, this optic is purpose-built for shooters who need speed, accuracy, and reliability across multiple platforms. Whether you're training at the range or engaged in real-world defense, the Defender-ST stands ready with industry-leading performance and adaptability. The large viewing window enables rapid target acquisition, while the ShockShield polymer insert and Fast-Rack texturing offer slide-rack capability off any surface and durability against harsh conditions. A top-loading battery compartment means you never need to re-zero when swapping the CR2032 battery, and Motion Activation with 10-minute auto shutoff extends operational life up to 25,000 hours. With 12 total brightness settings, including two night vision-compatible modes, this optic adapts seamlessly to all lighting conditions. Specifications: Reticle: 3 MOA Green Dot Magnification: 1x Footprint: DeltaPoint Pro compatible Battery: CR2032 (top-loading) Battery Life: Up to 25,000 hours Brightness Settings: 10 daylight + 2 night vision Adjustment: 1 MOA per click, 25 MOA per rotation Max Elevation: 115 MOA Max Windage: 145 MOA Parallax: Parallax-free Eye Relief: Unlimited Length: 1.83 Weight: 1.48 oz Construction: Single-piece chassis, matte black anodized finish Durability: Waterproof, fogproof, shockproof Included in the Box: Picatinny Mount Glock MOS Plate Custom Tool CR2032 Battery Rubber Cover Mounting Screws (common sets) Lens Cloth Get it at Battlehawk Armory!