CAT KK QD Inconel 718 5.56mm Suppressor Including 1/2x28 AI NANO - CATKKQD718
Out of stock
View restrictions
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: 33303 Category: Suppressors
Discover the ultimate in compact suppression with the CAT KK QD Inconel 718 5.56mm Suppressor, engineered for tactical enthusiasts and professionals who demand lightweight performance without sacrificing durability or sound reduction. This micro-sized rifle suppressor, complete with a 1/2×28 AI NANO quick-detach mount, transforms your 5.56 NATO platform into a whisper-quiet powerhouse, ideal for short-barrel rifles where maneuverability is key.
Key Features
- Surge Bypass Technology: Innovative gas routing design minimizes backpressure, ensuring reliable cycling on semi-auto platforms while reducing blast and flash for enhanced shooter comfort and situational awareness.
- Premium Inconel 718 Construction: 3D-printed (DMLS) from high-strength Inconel alloy, this suppressor withstands extreme heat up to 1292°F, providing superior erosion resistance for sustained duty use in harsh environments.
- AI NANO QD Mounting System: Includes a 1/2×28 adapter for seamless, tool-free attachment and detachment, compatible exclusively with AI NANO muzzle devices for optimal alignment and performance.
- Compact Micro Design: At just 4.5 inches long and 14.5 ounces, it adds minimal weight and length, perfect for close-quarters operations or maintaining rifle balance on 14.5-inch M4-style carbines.
Technical Specifications
- Caliber: 5.56 NATO (maximum 6ARC)
- Length: 4.5 inches (core); 4.75 inches with mount
- Diameter: 1.60 inches
- Weight: 14.5 ounces
- Minimum Barrel Length: 10 inches
- Optimized Velocity: 2800–3200 ft/s
- Material: Inconel 718
- Finish: DLC (Diamond-Like Carbon)
- User-Serviceable: No
Why Choose the CAT KK Suppressor?
In a world of bulky suppressors that compromise on agility, the CAT KK stands out by delivering proven suppression performance that rivals larger models, as validated by independent testing on short-barrel setups like the MK18. It addresses common pain points such as excessive gas blowback and heat buildup, offering cleaner operation and longer component life for your AR-15 or similar platform. Whether you’re navigating tight spaces in tactical scenarios or refining your range setup, this compact 5.56 suppressor ensures reduced noise, flash, and recoil—empowering you to focus on precision and control.
Elevate your firearm’s capabilities today with the CAT KK QD Inconel 718 5.56mm Suppressor. Its blend of cutting-edge technology and rugged reliability makes it the go-to choice for discerning shooters seeking a high-performance, SEO-friendly addition to their tactical arsenal.
Frequently Asked Questions
Q: What is the recommended use for this suppressor?
A: Optimized for semi-auto 5.56 NATO on 14.5-inch M4 carbines, it supports high rates of fire in duty roles but requires monitoring for heat thresholds to maintain integrity.
Q: Can I use this on full-auto weapons?
A: While duty-focused and capable of handling full-auto or high-volume shooting with proper cooling, CAT recommends semi-auto for optimal longevity; always follow the firing schedule based on your setup.
Q: What mounts are compatible?
A: Exclusively AI NANO QD interfaces; the included 1/2×28 adapter ensures secure fit, but other devices may interfere with performance.
| Weight | 16 oz |
|---|---|
| Mount Style | 1/2×28 |
| Caliber (Maximum) | .22 (.223/5.56/.224, etc.) |
| Baffle Material | Inconel |
| User-Serviceable | No |
| Finish | DLC |
| MPN | CATKKQD718 |
| UPC | 850059086117 |
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.
Please select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.
| Name | City | State | ZIP | Phone | |
|---|---|---|---|---|---|
|
Loading FFL contacts, please wait...
|







