Description

The Vortex Defender-ST 3 MOA Micro Red Dot DFST-MRD3 is a 1x open reflex sight with a 3 MOA red dot and a large aspherical window, built for handguns, shotguns, and carbines that need a rugged, do-it-all optic. This 3 MOA micro red dot sight works well for buyers who want one durable, range-ready pistol red dot that also fits defensive carbines and training shotguns.

Key Features

• Model and part number: Vortex Defender-ST 3 MOA Micro Red Dot DFST-MRD3
• Magnification: fixed 1x
• Reticle: 3 MOA red dot
• Illumination type: LED, open emitter
• Brightness settings: 10 total, including night-vision compatible levels
• Adjustment type: MOA with 1 MOA per click windage and elevation
• Maximum elevation adjustment: approximately 115 to 145 MOA
• Maximum windage adjustment: approximately 115 MOA
• Parallax setting: parallax free
• Eye relief: unlimited
• Battery type: CR2032 lithium coin cell
• Expected battery life: up to 25,000 hours at a mid-level setting
• Battery location: top-mounted battery compartment
• Objective lens: 23 mm hard-coated aspherical lens
• Sight window size: approximately 23 x 20 mm viewing area
• Length: approximately 1.83 inches
• Weight: approximately 1.48 ounces
• Housing material: 7075 aluminum single-piece chassis
• Exterior finish: matte black hardcoat anodized
• Mounting footprint: Leupold Deltapoint Pro pattern
• Construction: waterproof, fogproof, and shockproof design

Special Features

• Large, fully multi-coated aspherical lens delivers a distortion-free, wide sight window that makes the 3 MOA dot easy to track during fast transitions.
• Motion activation with a 10 minute auto-shutoff powers the dot on when the optic moves and shuts it down after inactivity to conserve battery life.
• ShockShield polymer insert in the housing helps absorb impacts, recoil, and daily knocks, protecting the optic in duty and training environments.
• Fast-Rack texturing on the optic face lets you rack a pistol slide off belts, holsters, or hard surfaces when you need one-handed manipulation.
• Top-loaded battery compartment allows CR2032 replacement without removing the sight or disturbing your zero.
• Deltapoint Pro footprint compatibility lets the DFST-MRD3 mount directly to many optics-ready pistols and common adapter plates, and it also works with included Picatinny mounts for carbines and shotguns.
• Fully multi-coated lenses with Armortek protective coating resist scratches, oil, and dirt for better clarity in hard-use conditions.

Practical Benefits

• The Vortex Defender-ST 3 MOA Micro Red Dot DFST-MRD3 gives you a precise 3 MOA aiming point that works well for both close-range defensive shots and more precise hits on smaller targets at distance.
• The large window and clean lens design help you find the dot quickly from the holster or low ready, supporting both concealed carry setups and range-focused pistols or carbines.
• Motion activation, timed auto-shutoff, and long battery life let this optic stay on defensive firearms and training guns with minimal battery management.
• The rugged 7075 aluminum body, ShockShield insert, and sealed construction mean this red dot holds up to regular live fire, duty carry, and field use without constant re-zeroing.
• The Vortex Defender-ST 3 MOA Micro Red Dot DFST-MRD3 is a dependable option for shooters who want a versatile micro red dot that can live on a carry handgun, home-defense shotgun, or personal defense carbine.