This Folding Front BUIS (Back-Up Iron Sight) is compatible with MIL-spec height rear AR sights. It locks down, and can be deployed with the push of a button. It's perfect for M4/AR-15 platforms with quick detach optics mounts.
- Optimized for AR platform
- Compatible with MIL-spec height rear AR sights
- Utilizes standard MIL-spec front sight posts and sight adjustment tools
- Locks into stowed position with push-button-actuated spring deployment
- Aluminum tower body and polymer base for optimal strength-to-weight ratio
- Circular hood protects sight post and increases speed acquiring sight picture