These Parts from FAB Defense have been designed to provide an extreme optical advantage when paired with the FAB Defense RBS Rear Back-up Sight.
Features
- Can be used as a primary or back-up sight
- Ergonomic angel-wing shaped front shroud helps center the image with any front sight
- Instant spring-locked deployment mechanism will not slip, break, or deform
- Low folded profile is smooth and inconspicuous, and will not snag on gear, webbing, or brush
- No tools needed for easy, rapid wind age adjustments, with positive detent locking





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