FAST™ Micro-SB Optical Mount

Integrated Backup Iron Sights × 2.26" FAST™ Height × Low-Profile Integrated Design

The FAST™ Micro-SB is designed for the Aimpoint® CompM5S, CompM5B, and Duty RDS. It integrates the red dot sight with backup iron sights (BUIS) into a single platform, providing full backup aiming capability while maintaining the high-posture aiming advantage of the FAST™ series.

Product Features

■ Designed for Aimpoint® Micro Series

Compatible with the following sights:

• Aimpoint® CompM5S
• Aimpoint® CompM5B
• Aimpoint® Duty RDS

Provides a stable and reliable mounting interface and consistent aiming height.

■ Integrated Front and Rear Backup Iron Sights

The mount directly integrates the front and rear sight systems.

• Both front and rear sights are adjustable
• No need for additional BUIS installation
• Reduces rail space occupied
• Enhances overall configuration efficiency

■ FAST™ 2.26" Optical Height

Raises the optical center of the sight to:

2.26 inches (57.4 mm)

• Promotes a natural head posture
• Reduces neck strain
• More suitable for use with night vision equipment and armor
• Accelerates target acquisition speed

■ Compatible with FTC Magnifier System

The integrated backup sights can be used with UNITY FTC series magnifier mounts.

• No interference from the magnifier mount
• Maintains a full field of view
• Retains emergency backup capability

■ Factory Pre-Installed Front Sight

Due to the special height BUIS design, the front sight is pre-installed at the factory.

• No additional adjustment or configuration required
• Ensures optimal aiming height
• Provides a stable aiming reference

■ Multiple Mounting Options

Standard configuration:

• 2 Cross Bolt Rail Clamp

Optional accessories:

• FAST™ QD Lever (sold separately)

■ 7075-T6 Aerospace Grade Aluminum

Constructed from high-strength aerospace aluminum.

• Lightweight design
• Excellent impact resistance
• Long-term stable and reliable use
• Suitable for high-intensity operational environments

■ Military-Grade Hardcoat Anodizing

• Type III Hardcoat Anodized
• Abrasion resistant
• Corrosion resistant
• Enhanced surface durability

Product Specifications

■ Optical Center Height

• 2.26 inches (57.4 mm)

■ Compatible Sights

• Aimpoint® CompM5S
• Aimpoint® CompM5B
• Aimpoint® Duty RDS

■ Backup Sights

• Fully adjustable front and rear backup iron sights

■ Mounting Method

• 2 Cross Bolt Rail Clamp
• Compatible with FAST™ QD Lever (sold separately)

■ Material

• 7075-T6 Aluminum

■ Surface Treatment

• Type III Hardcoat Anodized

■ Weight

• Less than 3.5 oz (approx. 99.2 g)

■ Dimensions (W × L × H)

• 1.4 × 2.2 × 1.4 inches
• 3.6 × 5.6 × 3.6 centimeters

The FAST™ Micro-SB perfectly integrates the red dot sight mount with backup iron sights, providing the FAST™ high-posture aiming advantage while ensuring backup capability and efficient rail space utilization, making it an ideal upgrade solution for modern combat platforms.