5.56mm Qdc Open Brake XC Kit 1/2-28 For Kac Qdc

Name: 5.56mm Qdc Open Brake XC Kit 1/2-28 For Kac Qdc
Brand: Knights Armament
Availability: OutOfStock

Knights Armament · Muzzle Devices

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Best price

$142.27at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$142.27checked 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.

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Store	Latest	Lowest	Highest
Brownells	$142.27	$142.27	$142.27

Since Sep 28, 2026.

About this part

The 5.56mm Qdc Open Brake XC Kit 1/2-28 For Kac Qdc is a muzzle brake from Knights Armament. One store lists it, Brownells at $142.27.

Fits and works with

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

Specifications

Manufacturer: Knights Armament
Type: Muzzle Brake
Caliber: 5.56 mm NATO
Thread pattern: ½ x 28

From the manufacturer

KNIGHT'S ARMAMENT 5.56MM QDC OPEN BRAKE XC KIT FOR KAC QDC Mounting interface for KAC 5.56mm QDC suppressors to reduce wear to the first baffle and extend service life. Without a suppressor mounted, the 5.56mm Open Brake reduces felt recoil and muzzle lift. SPECS Thread: 1/2-28 Weight: 3.5 oz Length: 2.15" Addition to Bare Muzzle: 1.69" Mfg: Knights Armament