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

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

Knights Armament · Silencers/Suppressors

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Best price

$1,312.78at Brownells

In 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	In 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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Lowest in-stock price in the last 30 days: $1,312.78 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Brownells	$1,312.78	$1,312.78	$1,312.78

Since Sep 27, 2026.

About this part

The Qdss NT-4 Prg 5.56mm NATO QD Rifle Suppressor Black is a 5.56 / .223 suppressor from Knights Armament. One store lists it, Brownells at $1,312.78. The lowest in-stock price in the last 30 days was $1,312.78 at Brownells.

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