Knights Armament 5.56 CRS-2 Suppressor Black With QDC Flash Hider - 122335-BLK
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THIS IS A CLASS 3 NFA ITEM. ALL NFA RULES APPLY, this product requires a Federal Firearms License (FFL) and a Special Occupational Tax Stamp (SOT) to be on file. It is the purchaser’s responsibility locate a properly licensed FFL. If we do not have a copy of the clearly signed and dated FFL/SOT, you may email them to [email protected] or use our FFL submission form. Read more about our process here.
NFA Item Cancellation & Refund Policy
Cancellations with Full refunds of NFA items are only possible if a cancellation request is received & acknowledged before the transfer process has been initiated. Initiation of the transfer process is defined as: The ATF form 3 which allows us to transfer the NFA item to your selected dealer has been submitted to the ATF. The ATF form 3 submission typically occurs 1-3 days after your order is placed, depending on order volume and processing times. Cancellations and partial refunds are still possible up until the point the NFA item is shipped to your FFL dealer. Below are the fees that will apply at the various stages of NFA item order processing:
- Order Received – Form 3 not yet submitted: Full refund
- Form 3 Submitted – Not yet approved by ATF: 10% Processing Fee
- Form 3 Approved by ATF – Item not Shipped: 20% Processing Fee
- Form 3 Approved by ATF – Item shipped: No refund
- Form 4 Submitted – Disapproved/Returned without action: 35% Processing Fee + return shipping costs*
*NOTE: This may not always be possible and requires us to successfully recover the NFA item from your dealer with original packaging and in NEW condition. If we are unable to recover the NFA item in the condition stated above, no refund is possible.
This policy is only a guideline and subject to change depending on certain situations. There is significant time and effort involved by both AR15Discounts and your selected dealer to reacquire the item once the ATF form 3 has been submitted and approved.
SKU: 31525 Category: Suppressors
Experience elite sound and flash suppression with the Knights Armament 5.56 CRS-2 Suppressor Black with QDC Flash Hider, engineered for tactical precision and reliability. Designed for 5.56 NATO rifles, this advanced QD suppressor delivers exceptional performance without compromising your weapon’s balance or maneuverability. Whether you’re a competitive shooter, law enforcement professional, or dedicated enthusiast, the CRS-2 minimizes muzzle blast and signature, allowing you to focus on the mission at hand.
Key Features
- Quick Detach (QD) Mounting System: Seamlessly attaches to the included QDC Flash Hider for rapid deployment and secure lockup, reducing setup time in dynamic environments.
- PRT-Inspired Vented Chamber Design: Utilizes a proprietary baffle system for superior gas management, significantly lowering sound levels to approximately 143 dBA at the shooter’s ear while enhancing weapon reliability.
- Premium Inconel Construction: Both baffles and body are crafted from durable Inconel alloy, ensuring resistance to extreme heat and corrosion for long-term performance in harsh conditions.
- Compact and Lightweight: At just 15 ounces and 6 inches long, it adds minimal weight and length, preserving your rifle’s handling characteristics for close-quarters or extended engagements.
- Black Oxide Finish: Provides a low-profile, matte black appearance that resists glare and blends seamlessly with tactical setups.
Technical Specifications
- Caliber: Rated for .223/5.56/.224 up to .22 maximum
- Length: 6 inches (overall); adds 5.4 inches to bare muzzle
- Weight: 15 ounces
- Material: Inconel (baffles and body)
- Mount Style: QD with QDC Flash Hider
- User-Serviceable: No – designed for maintenance-free operation
- Dimensions: 1.45 inches diameter
Why Choose the Knights Armament CRS-2 Suppressor?
This suppressor addresses key challenges faced by 5.56 rifle users, such as excessive noise, visible flash, and added bulk. By integrating cutting-edge flow-through technology inspired by military-proven designs, it reduces shooter fatigue, improves low-light stealth, and maintains consistent cycling even with high-volume fire. Unlike bulkier alternatives, the CRS-2’s lightweight build ensures your AR-15 or similar platform remains agile, making it ideal for training, hunting, or defensive scenarios. Its non-serviceable construction means less downtime and hassle, allowing you to stay mission-ready.
Elevate your shooting experience today with the Knights Armament 5.56 CRS-2 Suppressor – the pinnacle of tactical suppression technology. Secure yours and transform how you engage with your firearm.
Frequently Asked Questions
Q: Is ear protection still necessary with this suppressor?
A: Yes, while the CRS-2 significantly reduces noise to around 143 dBA, it does not eliminate it entirely. Double up with ear pro for optimal hearing protection during extended sessions.
Q: Can this suppressor handle full-auto fire?
A: Built with rugged Inconel materials, the CRS-2 is designed for demanding use, including full-auto, but always verify compatibility with your specific firearm and follow safe handling practices.
Q: Does it require special ammunition?
A: No, it performs optimally with standard 5.56 NATO ammunition. Subsonic loads can further enhance suppression, but they’re not mandatory.
| Weight | 15 oz |
|---|---|
| Dimensions | 6 × 1.45 × 1.45 in |
| Mount Style | QD |
| Length (inches) | 6 |
| Caliber (Maximum) | .22 (.223/5.56/.224 |
| Baffle Material | Inconel |
| Baffle Style | PRT‑inspired vented chamber system |
| Body Material | Inconel |
| User-Serviceable | No |
| Finish | Black Oxide |
| MPN | 122335-BLK |
| UPC | 819064019213 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
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