Knight’s Armament QDC CRS PRT 5.56 Rifle Suppressor


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KAC PN 121567-BLK & 121567-FDE

For when you want to maximize sound and flash suppression your 5.56 weapons

(2 customer reviews)

After purchasing, please have your local store email their FFL and SOT to along with your name and order number

Product price: $1,800.00
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Earn up to 1,800 Sweatshop Cash.

Knight’s Armament QDC MCQ PRT 5.56 Rifle Suppressor

KAC’s newest answer for a superior rifle suppressor — 3D printed and incorporating their Pressure Reduction Technology (PRT)

KAC PN 121567-BLK & 121567-FDE

Connects to all 5.56 QDC Muzzle Devices. Available in Black and Flat Dark Earth (-BLK) (-FDE).

Addition to Bare Muzzle: 5.67″ (14.41cm)
Addition to QDC 3-prong FH: 4.15″ (10.55cm)
Overall Length: 6.25″ (15.88cm)
Weight: 19.2oz (545g)
Sound Reduction: 24dB

This is a regulated item and requires shipment to a FFL/SOT holder. After you have placed your order, please have your order number and a copy of your preferred store’s FFL/SOT emailed to to avoid delays. After I have received their FFL/SOT, I will file a Form 3. Upon approval, I will ship your order as soon as possible!

Click here to browse our entire selection of Suppressors.

Additional information


Black, FDE

2 reviews for Knight’s Armament QDC CRS PRT 5.56 Rifle Suppressor

  1. James Dwertman (verified owner)

    Fantastic suppressor and excellent communication from Rooftop. Form 3 was done within 24 hours and was at my FFL in two days. Great product, great costumer service. All around fantastic transaction.

  2. ctkkoenig (verified owner)


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