FAB Defense Top Mounted Deployable Front Sight OD Green FX-FBSG. These AR 15 Parts from FAB Defense have been designed to provide an extreme optical advantage when paired with the FAB Defense RBS Rear Back-up Sight. The FAB Defense Front Polymer...
FAB Defense Top Mounted Deployable Front Sight OD Green FX-FBSG. These AR 15 Parts from FAB Defense have been designed to provide an extreme optical advantage when paired with the FAB Defense RBS Rear Back-up Sight. The FAB Defense Front Polymer...