CMMG Zeroed 556K 1.58" Suppressor - Black - 11DB015
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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: 31973 Category: Suppressors
Experience the ultimate in compact sound suppression with the CMMG Zeroed 556K 1.58″ Suppressor – Black. Designed for discerning shooters who demand reliability without added bulk, this lightweight silencer transforms your AR-15 or similar platform into a whisper-quiet powerhouse. Perfect for tactical operations, range sessions, or home defense, the Zeroed 556K delivers exceptional noise reduction on .22 caliber centerfire rounds while maintaining maneuverability on short-barreled rifles.
Key Features
- Compact K-Size Design: At just 5.2 inches long without the mount, this suppressor adds minimal length to your setup, ideal for close-quarters handling and quick target acquisition.
- Advanced Baffle Technology: Features a tubeless, laser-welded stack of 17-4 stainless steel baffles for superior sound attenuation and durability under high-volume fire.
- HUB Mount Compatibility: Includes versatile 1/2×28 and 5/8×24 direct thread mounts, allowing seamless integration with your preferred muzzle devices and future upgrades.
- Full-Auto Rated Construction: Built from heat-treated stainless steel with a nitride finish for corrosion resistance and longevity, even in demanding full-auto scenarios.
- Lightweight Performance: Weighing only 11 ounces without the mount, it reduces fatigue during extended shooting without compromising on suppression quality.
Technical Specifications
- Caliber (Maximum): .22 (supports .223/5.56, .22 ARC, 5.7x28mm, 4.6x30mm)
- Length: 5.5 inches (with mount) / 5.2 inches (without mount)
- Diameter: 1.58 inches
- Weight: 13.5 ounces (with mount) / 11 ounces (without mount)
- Mount Style: Direct Thread (1/2×28 standard)
- Baffle Material: 17-4 Stainless Steel
- Body Material: Steel
- Finish: Nitride / Melonite
- User-Serviceable: No
Why Choose the CMMG Zeroed 556K?
In a world of bulky accessories, the Zeroed 556K stands out by addressing key shooter pain points: excessive noise that damages hearing, added weight that hinders mobility, and compatibility issues with modern rifle setups. This suppressor slashes decibels for safer, more enjoyable shooting sessions, while its flow-optimized design minimizes gas blowback and recoil for faster follow-up shots. Whether you’re running a 10.5-inch SBR or a full-length carbine, it ensures consistent performance without shifting point of impact or requiring barrel adjustments. Engineered for the tactical enthusiast, it combines affordability with premium build quality, making suppressed fire accessible without sacrifice.
Elevate your shooting precision and comfort today—secure the CMMG Zeroed 556K and discover why compact suppression is the future of 5.56 platforms.
Frequently Asked Questions
| Weight | 11 oz |
|---|---|
| Dimensions | 5.5 × 1.58 × 1.58 in |
| Mount Style | 1/2×28 |
| Length (inches) | 5 |
| Caliber (Maximum) | .22 (.223/5.56/.224 |
| Baffle Material | Steel |
| Baffle Style | Tubeless, laser‑welded 17‑4 stainless stack |
| Body Material | Steel |
| User-Serviceable | No |
| Finish | Nitride / Melonite |
| MPN | 11DB015 |
| UPC | 840442507725 |
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.
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