ADE Advanced Optics RD3-009-2 Waterproof Crusader Red Dot Reflex Sight

Engineered for reliability and precision, the ADE Advanced Optics RD3-009-2 Waterproof Crusader is a compact red dot reflex sight built to perform in all conditions. Designed in Oregon and refined through multiple generations since its original 2015 release, this optic is tougher, more durable, and optimized to hold zero even under heavy recoil.

The Crusader is fully waterproof, shockproof, and fogproof, with precision-ground, polished lenses that deliver a crisp, parallax-free sight picture. With unlimited eye relief, five brightness settings, and a 5 MOA dot, it’s ideal for fast target acquisition on handguns, rifles, or shotguns.

Compatible with mounting plates made for Vortex Venom, Burris Fastfire, Meopta, Docter, Insight, and EOTech MRDS footprints, the RD3-009-2 offers versatility across a wide range of platforms.

Key Features

• Waterproof, Shockproof, and Fogproof Construction — Built to endure tough conditions, waterproof for up to 30 minutes under 1.7 feet of water.

• Crisp Optical Clarity — Precision-ground lenses eliminate parallax and provide a clear, distortion-free sight picture.

• 5 MOA Red Dot Reticle — Fast target acquisition with ideal balance of size and precision.

• Five Brightness Settings — Adjustable illumination for various lighting environments.

• Unlimited Eye Relief — Maintain full visibility and comfort during extended use.

• Fully Adjustable and Lockable Windage/Elevation — Zero and lock your sight for consistent accuracy.

• 1x Magnification — True-to-life view with both-eyes-open shooting capability.

• Compact and Lightweight — Only 0.9 oz, ideal for concealed carry or competition setups.

• Designed in Oregon, USA — Backed by ADE Advanced Optics’ 3-Year USA Warranty.

Specifications

• Model: RD3-009-2 Waterproof Crusader

• Magnification: 1x

• Dot Size: 5 MOA

• Brightness Settings: 5

• Sight Window: 25mm x 16mm (0.98" x 0.62")

• Elevation Adjustment Range: 3° / 190" @ 100 yds

• Windage Adjustment Range: 3° / 190" @ 100 yds

• Adjustment Value: 1 MOA per click

• Parallax-Free Distance: ~50 yds

• Recoil Resistance: 1,000 Gs minimum

• Operating Temperature: -10°F to +130°F (-25°C to +55°C)

• Storage Temperature: -40°F to +160°F (-40°C to +70°C)

• Power Supply: One CR2032 lithium battery (included)

• Dimensions: 2.0" L x 1.0" W x 1.1" H (52 x 26 x 28 mm)

• Weight: 0.9 oz (25 g)

• Waterproof Rating: 30 minutes at 1.7 ft

• Mounting Compatibility: Vortex Venom, Burris Fastfire, Meopta, Docter, Insight, EOTech MRDS footprints

Included Accessories

• Weaver/Picatinny-style mount

• Allen wrench and screwdriver

• Adjusting disc

• Protective cap

• CR2032 lithium battery

• Extra rubber sealing ring

• Operating instructions

Compact, rugged, and exceptionally clear, the ADE RD3-009-2 Waterproof Crusader delivers dependable red dot performance for shooters who demand precision and durability in any environment.