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

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

Breek Arms · Muzzle Devices

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Best price

$59.95at Battlehawk Armory

checked Oct 21, 2026

Compare 7 stores

Where to buy

StorePriceAvailabilityBuyAdd to build
Battlehawk Armory Best price $59.95checked Oct 21, 2026 Check store Buy at Battlehawk Armory
AR15Discounts $59.95checked Nov 10, 2026 Check store Buy at AR15Discounts
Dirty Bird $59.95checked Nov 10, 2026 Check store Buy at Dirty Bird
Palmetto State Armory $59.99checked Oct 29, 2026 Check store Buy at Palmetto State Armory
Brownells $59.95checked Nov 10, 2026 Out of stock Buy at Brownells
Kentucky Gun Co $59.95checked Nov 10, 2026 Out of stock Buy at Kentucky Gun Co
MidwayUSA $63.99checked Nov 10, 2026 Out of stock Buy at MidwayUSA

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

Lowest in-stock price in the last 30 days: $59.95 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$59.95$59.95$59.95
Battlehawk Armory—$59.95$59.95
Brownells$59.95$59.95$59.95
Dirty Bird$59.95$59.95$59.95
Kentucky Gun Co$59.95$59.95$59.95
MidwayUSA$63.99$61.99$63.99
Palmetto State Armory—$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 7 stores, from $59.95 to $63.99. The lowest in-stock price in the last 30 days was $59.95 at Kentucky Gun Co.

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

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$59.95 at Battlehawk Armory
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