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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 Kentucky Gun Co

In stock checked Oct 21, 2026

Buy at Kentucky Gun Co

Compare 5 stores

Where to buy

StorePriceAvailabilityBuyAdd to build
Kentucky Gun Co Best price $59.95checked Oct 21, 2026 In stock Buy at Kentucky Gun Co
Battlehawk Armory $59.95checked Oct 21, 2026 Check store Buy at Battlehawk Armory
Palmetto State Armory $59.99checked Oct 21, 2026 Check store Buy at Palmetto State Armory
Brownells $59.95checked Oct 21, 2026 Out of stock Buy at Brownells
MidwayUSA $61.99checked Oct 21, 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
Battlehawk Armory$59.95$59.95$59.95
Brownells$59.95$59.95$59.95
Kentucky Gun Co$59.95$59.95$59.95
MidwayUSA$61.99$61.99$61.99
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 5 stores (1 in stock), from $59.95 to $61.99. 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 Kentucky Gun Co
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