The Breek Arms Plan B Sentinel Caged Flash Hider is engineered for gunsmiths who value performance and functionality. With a thread pitch of 1/2×28 TPI, this flash hider is compatible with .223 and 5.56 NATO, as well as .30 caliber weapons (9mm compatible with a 0.369" exit hole). Constructed from 4140 hardened steel, it features a nitride finish for increased durability.
The closed-tine, fully shrouded design ensures superior flash suppression and minimizes snagging. Measuring 2.15" in length and weighing 2.2 oz, it is compact and lightweight while remaining robust. Designed for pin-and-weld installation, it is ready to be permanently affixed to 14.5" barrels, achieving the 16" federal minimum length requirement. Additionally, it is NVG-friendly, reducing visible signature during night operations. Proudly made in the USA, it combines quality and practicality for passionate gunsmiths.
Brand: Breek Arms
Part Number: BRK4420
Thread Pitch / Fit: 1/2×28 TPI
Caliber Compatibility: .223 / 5.56 NATO and .30 cal (9mm compatible — exit hole 0.369")
Material: 4140 hardened steel
Finish: Nitride
Design: Closed-tine, fully shrouded (caged) for superior flash suppression and reduced snagging
Length (Overall): 2.15"
Weight: 2.2 oz
Suppressor Mount Compatibility: Plan B / Atlas style mounts
Installation: Pin-and-weld ready; engineered to be pinned & welded on 14.5" barrels to meet 16" federal minimum length requirement
NVG Signature: Designed to be NVG-friendly for reduced visible signature
Made In: USA
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