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Breek Arms Plan B Sentinel Caged Flash Hider – .30 cal – 5/8×24

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SKU: BRK4421

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Breek Arms Plan B Sentinel Caged Flash Hider Flash Suppression with Pin-and-Weld Capability

Features

  • Closed-tine, fully shrouded design for superior flash suppression
  • Engineered for pin-and-weld on 14.5″ barrels to meet 16″ federal requirement
  • Plan B/Atlas mounting system for suppressor compatibility
  • NVG-friendly signature reduction with reduced snagging profile
  • 4140 hardened steel with nitride finish

The Plan B Sentinel solves the problem of needing effective flash suppression for night vision operations while maintaining suppressor compatibility and pin-and-weld capability for 14.5″ barrel builds. It works exceptionally well for tactical applications, night shooting, and builds requiring federal compliance without SBR registration. The closed-tine shrouded design sets it apart by eliminating snag hazards while providing superior flash suppression and NVG-compatible signature reduction in a compact package.

Note: Sentinel flash hiders using .308 ammunition are tested and rated for 10″ barrels and longer. Use of peel washers or shims for installation is highly recommended.

Specifications

  • Brand: Breek Arms
  • Model: Plan B Sentinel Caged Flash Hider
  • MPN: BRK4421
  • Caliber: .30 cal
  • Thread: 5/8-24
  • Overall Length: 2.15″
  • Weight: 1.8 oz.
  • Material: 4140 Hardened Steel
  • Finish: Nitride
  • Suppressor Mount: Plan B/Atlas
  • 9mm Compatible: Yes (0.369″ exit hole)
  • Pin-and-Weld Ready: Yes (14.5″ barrels)
  • Minimum Barrel Length: 10″ (.308 ammunition)
  • Made in USA

What’s Included?

  • 1x Plan B Sentinel Caged Flash Hider
  • 1x Peel Washer
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