Plan B Sentinel 5.56 NATO Caged Flash Hider 1/2x28"

Name: Plan B Sentinel 5.56 NATO Caged Flash Hider 1/2x28"
Brand: Breek Arms

Breek Arms · Muzzle Devices

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Best price

$59.95at Battlehawk Armory

checked Oct 1, 2026

Buy at Battlehawk Armory

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Where to buy

Store	Price	Availability	Buy
Battlehawk Armory Best price	$59.95checked Oct 1, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$59.99checked Oct 1, 2026	Check store	Buy at Palmetto State Armory
Brownells	$59.95checked Oct 1, 2026	Out of stock	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Battlehawk Armory	$59.95	$59.95	$59.95
Brownells	$59.95	$59.95	$59.95
Palmetto State Armory	$59.99	$59.99	$59.99

Since Sep 28, 2026.

About this part

The Plan B Sentinel 5.56 NATO Caged Flash Hider 1/2x28" is a flash hider from Breek Arms. It's sold by 3 stores, from $59.95 to $59.99.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Muzzle thread: 1/2x28 · Muzzle devices

Specifications

Manufacturer: Breek Arms
Type: Flash Hider
Caliber: 5.56 mm NATO
Thread pattern: ½ x 28
Material: Steel

From the manufacturer

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 Weight: 2.2 oz. Overall Length: 2.15" Material: 4140 Hardened Steel, Nitride Thread Pitch: 1/2 x 28 TPI Caliber: 223/5.56 Fast attach for Plan B suppressor mounts Engineered to be pinned & elded on 14.5" barrels to meet the 16" Federal minimum length requirement Mfg: Breek Arms