Description: BlackHawk Folding Rear BuIS (Back-up Iron Sight) For AR-15, Olive Drab
This Rear Front BUIS (Back-Up Iron Sight) is compatible with MIL-spec height front AR sights. It locks down, and can be deployed with the push of a button. It is perfect for M4/AR-15 platforms with quick detach optics mounts.
Features: - Optimized for AR platform - Compatible with MIL-spec height front AR sights - Single hybrid aperture for simplicity - Locks into stowed position with push-button-actuated spring deployment - Aluminum sight blade/aperture and polymer base for optimal strength-to-weight ratio