Knights Armament 556QDC Suppressor 5.56 CQB Black
User Ratings
No ratings yet
Be the first to review this product
Knights Armament QDC/CQ Suppressor designed for 5.56 chambered firearms. Features Quick Disconnect Coupling (QDC) for fast mounting and unmounting with minimal point of impact shift. Constructed from Inconel and stainless steel for durability, suitable for sustained use on short barrel rifles and capable of withstanding full-auto fire. 5.56 caliber suppression with reduced flash and sound.
Specifications
- Manufacturer:
- Knights Armament
- Category:
- suppressor
- Caliber:
- 5.56x45mm NATO
- Weight:
- 13.2 oz
- Length:
- 5.0"
- UPC:
- 819064014492
- MPN:
- 30192-BLK
- Required Component:
- No
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$1,442.70
Lowest
$1,442.70
Highest
$1,442.70
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products
Otter Creek Labs Polonium POL556 5.56 NATO Suppressor, Black Cerakote
Otter Creek Labs
$464.80
Otter Creek Labs Polonium-K 5.56 NATO Suppressor
Otter Creek Labs
$450.99
OTTER CREEK LABS Polonium 5.56 NATO 5.8" Rifle Silencer / Suppressor | FDE
Otter Creek Labs
$532.00
SILENCERCO Saker 5.56 NATO 6.76" Silencer / Suppressor - Black
SilencerCo
$803.99
AB Suppressors A-10 5.56mm Suppressor w/ 1/2x28 Flush Mount (A10-556)
Ab Suppressor
$450.00
Griffin Armament 5K Recce 5.56mm Suppressor Stainless Steel 1/2x28
Griffin Armament
$679.99
Surefire Socom556-Mini2 Suppressor 5.56 NATO Dark Earth
Surefire
$979.99
Advance Armament M4-2000 Silencer 5.56 NATO Inconel Black
Advanced Armament Co (Aac)
$934.96
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AR-15 Caliber Options Beyond 5.56: What Changes and Why
A neutral overview of common AR-15 caliber paths beyond 5.56, including .300 Blackout, 6.5 Grendel, and .22 LR conversion approaches with practical system tradeoffs.
4 min read
Guide
Muzzle Device Selection for Suppressor Hosts
An examination of muzzle device options for suppressed AR-15s, covering thread pitch standards, mount systems, alignment considerations, and the tradeoffs between direct-thread, QD, and taper-mount interfaces.
7 min read
Guide
NFA Basics for AR-15 Builders: SBR, Suppressor, Pistol, and AOW
A plain-language explanation of how the National Firearms Act applies to AR-15 builds, covering short-barreled rifles, suppressors, pistol configurations, and AOWs.
6 min read