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Plan B Sentinel 30 Caliber Caged Flash Hider - Plan B Sentinel 30 Caliber Caged Flash Hider 5/8x24''''
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$59.95
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SKU: 430115546
Overview
Designed for .30 caliber setups that use Plan B mounts, this caged flash hider is intended for hunters and shooters who want a compact, closed-tine option for flash suppression and reduced snagging on gear. Its fully shrouded profile is also suited to pin-and-weld builds, including 14.5-inch barrels configured to meet the 16-inch federal minimum length requirement. The fast-attach interface supports suppressor mount use, while the compact 2.15-inch overall length helps keep the muzzle package streamlined. It is a purpose-built accessory for rifles where alignment, mounting compatibility, and a lower-signature setup are priorities.
Why Hunters Choose the Breek Arms
Closed-tine, Fully
Shrouded design helps reduce flash
Designed Reduce
Snagging on gear during carry
Plan B
Mounts and fast attach suppressor
Suitable Pin-and-weld
Builds on 14.5-inch barrels
Compact 2.15-inch
Overall length supports a streamlined
Key Features
- Closed-tine, fully shrouded flash hider design for reduced snagging on gear
- Built for Plan B mounts and fast attachment to Plan B suppressor systems
- Suitable for pin-and-weld builds, including 14.5-inch barrels
- Designed for .30 caliber use with 5/8 x 24 TPI threading
- Made from 4140 hardened steel with a nitride finish
- Compact 2.15-inch overall length and 1.8-ounce weight
Best Used For
- Hunters using Plan B suppressor mounts who want a fast-attach .30 caliber flash hider
- Shooters building pin-and-weld rifles on 14.5-inch barrels for 16-inch compliance
- Users prioritizing reduced snagging on gear during field carry and movement
- Night-vision users seeking a closed-tine, shrouded muzzle device with reduced signature
Specifications
| Caliber | .30 CAL |
|---|---|
| Engineered For Pin And Weld | 14.5" barrels to meet the 16" Federal minimum length requirement |
| Fast Attach | Plan B suppressor mounts |
| Material | 4140 Hardened Steel, Nitride |
| Overall Length | 2.15 in |
| Thread Pitch | 5/8 x 24 TPI |
| Weight | 1.8 oz. |
Pros
- Closed-tine, fully shrouded design helps reduce flash signature.
- Designed to reduce snagging on gear during carry and movement.
- Built for Plan B mounts and fast attach suppressor compatibility.
- Suitable for pin-and-weld builds on 14.5-inch barrels.
- Compact 2.15-inch overall length supports a streamlined setup.
- 5/8x24 thread pitch fits .30 caliber applications.
Considerations & Trade-offs
- Designed around Plan B suppressor mounts, so it is not a universal flash hider for every muzzle device setup.
- The closed-tine, fully shrouded profile can be less open and accessible than traditional flash hider designs when cleaning or inspecting the muzzle area.
- It is specified for .30 caliber use with 5/8 x 24 TPI threading, so compatibility depends on matching barrel thread pitch and caliber.
- The product is described as suitable for pin-and-weld builds on 14.5-inch barrels, which means installation use cases are more specialized than a standard thread-on muzzle device.
Suggested Comparisons
- Other .30 caliber muzzle devices
- Suppressor mount-compatible flash hiders
- Pin-and-weld muzzle devices
- Threaded rifle barrel accessories
Suggested Accessories
- Suppressor mount
- Pin-and-weld installation service
- Thread protector
- Muzzle device wrench
Frequently Asked Questions
Is this flash hider compatible with Plan B suppressor mounts?
Yes. The product data states it is built for Plan B mounts and includes fast attach for Plan B suppressor mounts.
What thread pitch does this Sentinel flash hider use?
It is listed with a 5/8 x 24 TPI thread pitch.
What caliber is it intended for?
The product is specified for .30 caliber use.
Can this be used for a pin-and-weld build on a 14.5-inch barrel?
Yes. The long description says it is engineered to be pinned and welded on 14.5-inch barrels to meet the 16-inch federal minimum length requirement.
What design features are listed for this flash hider?
The product is described as a closed-tine, fully shrouded design intended to reduce snagging on gear and provide flash suppression, with NVG-friendly signature reduction noted in the description.