BREEK ARMS PLAN B SENTINEL 5.56 NATO/.223 REM CAGED FLASH HIDER
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.
SPECS
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Weight: 2.2 oz.
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Overall Length: 2.15"
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Material: 4140 Hardened Steel, Nitride
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Thread Pitch: 1/2 x 28 TPI
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Caliber: 223/5.56
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Fast attach for Plan B suppressor mounts
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Engineered to be pinned & elded on 14.5" barrels to meet the 16" Federal minimum length requirement