Qdss NT-4 Prg 5.56mm NATO QD Rifle Suppressor FDE

Name: Qdss NT-4 Prg 5.56mm NATO QD Rifle Suppressor FDE
Brand: Knights Armament
Availability: OutOfStock

Knights Armament · Silencers/Suppressors

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Best price

$1,312.78at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$1,312.78checked 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	$1,312.78	$1,312.78	$1,312.78

Since Sep 28, 2026.

About this part

The Qdss NT-4 Prg 5.56mm NATO QD Rifle Suppressor FDE is a 5.56 / .223 suppressor from Knights Armament. One store lists it, Brownells at $1,312.78.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo

Specifications

Manufacturer: Knights Armament
Caliber: 5.56 mm NATO
Mount style: QD Mount

From the manufacturer

KNIGHT'S ARMAMENT QDSS NT-4 PRG 5.56MM NATO RIFLE SUPPRESSOR Recent advancements in suppressor design and manufacturing have enabled KAC to update the venerable Quick Detach Sound Suppressor (QDSS) NT4 suppressor with both Pressure Reduction Technology (PRT) and KAC's patented Purge (PRG) flash reduction. Maintaining the same attachment mechanism and form factor as the legacy QDSS NT4, superior pressure reduction capabilities are added without sacrificing performance or durability. Potential noxious gases from the rifle being fired are pushed forward of the operator, reducing potential exposure and increasing comfort when firing. First round flash is significantly Mfg: Knights Armament