Qdss NT-4 Prg 5.56mm NATO QD Rifle Suppressor Black
$1,312.78 at Brownells · 3 stores
In stock
Qdss Nt4 5.56mm NATO QD Rifle Suppressor FDE
Knights Armament · Silencers/Suppressors
No ratings yetBest price
$1,856.78at Brownells
Out of stock checked Oct 31, 2026
In stock now instead
- Qdss NT-4 Prg 5.56mm NATO QD Rifle Suppressor Black $1,312.78at Brownells
- 5.56 Crs-1 5.56mmx45 NATO Quick Detach Suppressor FDE $1,246.88at Kentucky Gun Co
- Sig Sauer SLX Suppressor SURG 5.56, Assembly w/ Heat Shield, Co… $1,899.99at Sportsman's Warehouse
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $1,856.78checked Oct 31, 2026 | Out of stock | Buy at Brownells | |
| Kentucky Gun Co | $1,856.78checked Oct 31, 2026 | Out of stock | Buy at Kentucky Gun Co |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar suppressors in stock
This part is out of stock at every store we track. These similar suppressors are in stock, with today's prices.
5.56 Crs-1 5.56mmx45 NATO Quick Detach Suppressor FDE
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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $1,856.78 | $1,856.78 | $1,856.78 |
| Kentucky Gun Co | $1,856.78 | $1,856.78 | $1,856.78 |
Since Sep 28, 2026.
About this part
The Qdss Nt4 5.56mm NATO QD Rifle Suppressor FDE is a 5.56 / .223 suppressor from Knights Armament. It's sold by 2 stores, all at $1,856.78.
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 NT4 5.56MM NATO RIFLE SUPPRESSOR The KAC Quick Detach Sound Suppressor (QDSS) NT4 is a combat proven 5.56mm suppressor developed for U.S. Military applications requiring high durability and sustained full auto fire capability. The NT4 provides the user with a quick means to attach and detach the suppressor to the included muzzle device via the precision locking groove on the muzzle device and the gate latch mechanism on the suppressor. The provision of the muzzle device having external carbon cutting grooves, and the front edge alignment notch at the six o'clock position, ensures proper sound suppressor orientation and installation each time Mfg: Knights Armament
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