Breek Arms Plan B Sentinel Caged Flash Hider, 5.56/.223, Black Nitride, 1/2"x28 - BRK4420

The Sentinel Caged is a closed-tine fully shrouded flash hider designed for 5.56 NATO/.223 Remington with a 1/2"x28 thread pitch, measuring 2.15" in overall length and weighing 2.2 oz. Constructed from 4140 hardened steel with black nitride finish, it features superior flash suppression and reduced snagging on gear. Optimized for Plan B mounts, pin-and-weld builds, and NVG-friendly signature reduction.