The Unity Tactical FAST Offset Optic Base allows the mounting of micro red dot sights at a 35° offset angle for rapid transitions between primary and secondary aiming systems. With an optical centerline height of 2.05 inches (5.21 cm), it promotes an ergonomic head position and is ideal for use with night vision devices, hearing protection, or plate carriers.
Designed for tactical applications, it offers maximum reliability and flexible mounting configurations when combined with FAST Optic Adapter Plates.
Key Features
35° Offset Mounting
• Enables rapid transitions between primary and backup optics
• Compatible with optics such as:
- Trijicon RMR
- Holosun 509T
Ergonomic Optical Height
• 2.05-inch (5.21 cm) optical centerline height
• Supports intuitive target acquisition and reduces neck strain
Robust Construction
• Manufactured from 7075-T6 aluminum
• Type III hardcoat anodized finish for maximum durability
Flexible Mounting Options
• Compatible with:
- FAST LPVO
- REKE
- other FAST mounts
• Adapter plates can be installed in three positions:
- forward
- center
- rear
Easy Installation
• Secure attachment to M1913 Picatinny rails
• Adapter plate required
Technical Specifications
• Optical centerline height: 2.05 inches (5.21 cm) with adapter plate
• Dimensions (L × W × H): approx. 4.5 cm × 2.5 cm × 1.5 cm
• Weight: approx. 40 g (1.4 oz)
• Material: 7075-T6 aluminum, Type III hardcoat anodized
• Color options: Black or FDE
Compatibility
• FAST LPVO
• REKE
• Other FAST mounts
Mounting
• M1913 Picatinny rail
• Adapter plate required
Included
• FAST Offset Optic Base
⚠️ Adapter plate sold separately.