Plan B Sentinel Caged Flash Hider (Pin-and-Weld Ready)
The Sentinel is a closed-tine, fully shrouded design for superior flash suppression and to reduce 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.
- Weight: 2.2oz (223/556), 1.8oz (30 cal)
- Overall Length: 2.15"
- Material: 4140 Hardened Steel, Nitride
- Thread Pitch: 1/2x28TPI (223/556), 5/8x24TPI (30 cal)
- Caliber: 223/5.56, 30 cal
- 9mm compatible (exit hole = 0.369 inches)
- Suppressor Mount: Plan B / Atlas
- Peel Washer Included
- Designed & Manufactured in America
- Breek Arms Plan B Wrench Purchase Here
- Engineered to be pinned & welded on 14.5" barrels to meet the 16" Federal minimum length requirement
See all of our compatible Plan B Muzzle Devices here!
Check out our unbeatable Warranty & Refund Policy
WARNING*
- Sentinel Flash Hiders using .223/5.56 ammunition have been tested and rated for 7.5" barrels and longer
- Sentinel Flash Hiders using .308 ammunition have been tested and rated for 10" barrels and longer
- The use of PEEL WASHERS OR SHIMS for installing muzzle devices is HIGHLY recommended
