

21mm Folding Fiber-Optic Aiming Assist Low-Profile Polymer Sight Module for Picatinny Rail Systems
Key item features
- Modular Aiming Reference: Designed as a foldable visual alignment aid for optical or positioning modules. Offers intuitive reference points using bright fiber-optic indicators.
- 21mm Rail Compatibility: Mounts securely on standard 21mm Picatinny-style platforms, compatible with modular equipment or accessory setups.
- Durable Polymer Build: Constructed from reinforced nylon material for lightweight durability and impact resistance in a variety of environments.
- Foldable & Low-Profile: Can be folded down when not in use for a compact profile, reducing interference with other gear.
- Color Options & Dual Units: Comes in a 2-piece front and rear configuration with color-coded fiber-optic dots; available in black and tan to match your setup.
Specs
- FeaturesAdjustable
- BrandHUAK
- MaterialNylon
- ColorR130-BK
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About this item
Product details
This foldable fiber-optic aiming assist module is crafted for users seeking quick-reference alignment tools on modular equipment systems. Designed to mount on standard 21mm Picatinny-compatible rails, this low-profile accessory features vivid fiber-optic dots that enhance visibility and spatial orientation. Constructed from high-strength nylon polymer, it offers reliable performance without adding unnecessary weight. The front and rear pair can be folded down when not in use, making it ideal for systems where space and flexibility are key. Available in black or tan colorways, this unit integrates easily with visual modules, lighting systems, and other Picatinny-mounted gear-perfect for precision accessory setup, training rigs, or modular tool alignment.
- Modular Aiming Reference: Designed as a foldable visual alignment aid for optical or positioning modules. Offers intuitive reference points using bright fiber-optic indicators.
- 21mm Rail Compatibility: Mounts securely on standard 21mm Picatinny-style platforms, compatible with modular equipment or accessory setups.
- Durable Polymer Build: Constructed from reinforced nylon material for lightweight durability and impact resistance in a variety of environments.
- Foldable & Low-Profile: Can be folded down when not in use for a compact profile, reducing interference with other gear.
- Color Options & Dual Units: Comes in a 2-piece front and rear configuration with color-coded fiber-optic dots; available in black and tan to match your setup.


