The Fab Defense FX-MA1B Offset M-LOK Picatinny Rail 4-Slots is a compact accessory rail designed to give shooters a clean, secure mounting point on M-LOK compatible handguards. Its offset profile helps position lights or other accessories just off the main rail, improving ergonomics while keeping the rifle’s profile slim and snag resistant.

This model is ideal for users who want to fine-tune their setup for range use, training, or general-purpose shooting without adding unnecessary bulk. The four-slot section offers enough space for most compact accessories while maintaining a low weight and streamlined feel. Fab Defense is known for practical, duty-ready designs that emphasize reliability and thoughtful engineering.

Key Features:

• Manufacturer: FAB Defense
• Model: FX-MA1B Offset M-LOK Picatinny Rail 4-Slots