Breek Arms Sentinel Caged Plan B flash hider for .30 caliber with 5/8-24 threads, nitride finish, and steel construction.
The Sentinel is a closed-tine, fully shrouded design for superior flash suppression and reduced snagging on gear. Built for Plan B mounts and pin-and-weld builds, it delivers rock-solid alignment, compact length, and NVG-friendly signature reduction. It is specified for .30 caliber use with 5/8-24 threads and intended to interface with Plan B-style mounts and similar systems.
Product Specifications
The manufacturer part number is BRK4421.
The model is listed as Sentinel Caged.
The thread pattern is 5/8-24.
The product fits .30 Caliber.
The material is Steel.
The finish is Nitride.
The design is a closed-tine caged flash hider.
It is built for Plan B mounts and pin-and-weld builds.
It delivers a compact length for a minimized profile.
It provides NVG-friendly signature reduction.
UPC: 812296031770.
The Sentinel Caged Plan B flash hider combines a low-profile, shrouded form with durable nitride steel construction for a practical suppression-focused accessory on .30 caliber mounts. Its Plan B compatibility and closed-tine shroud make it suitable for users seeking secure alignment and reduced visual signature in builds that utilize pinned-and-welded or Plan B mounting approaches.
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