# CMMG Zeroed 556K 5.56mm Black Stainless Steel Suppressor

**Brand:** CMMG
**Category:** Handguns

## Specifications

- **Finish:** Black
- **UPC:** 840442508050
- **SKU:** UCEnNb75O

## Description

The CMMG Zeroed 556K is a sound suppressor rated for 5.56mm rifle cartridges, machined from stainless steel with a black finish. It measures 5.50 inches in length and mounts using included 1/2x28 and 5/8x24 hubs, letting one unit move between different thread pitches instead of requiring a separate adapter for each host rifle. As a suppressor, transfer of this item requires additional federal paperwork.

### Key Specifications
- **Brand:** CMMG
- **Model:** Zeroed 556K
- **Caliber:** 5.56mm
- **Color:** Black
- **Material:** Stainless Steel
- **Length:** 5.50 in
- **MPN:** 11DB032
- **SKU:** 185382

### Detailed Features
- Mounting hub system supports both 1/2x28 and 5/8x24 thread pitches out of the box.
- Stainless steel construction with a black finish resists the wear of repeated mounting.
- Rated for 5.56mm rifle cartridges.
- Compact 5.50-inch overall length keeps added length on a host rifle to a minimum.
- Black finish matches most factory rifle finishes for a uniform look.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of CMMG's Zeroed line generally report solid build quality for the price point, with the stainless steel housing holding up well to repeated mounting and dismounting. The dual 1/2x28 and 5/8x24 hub compatibility is a common highlight, since it lets one suppressor move between different host rifles without buying separate mounts.

In the field, shooters like the compact length for keeping overall rifle length manageable, though a few note the finish shows carbon buildup faster than a fully coated can and needs occasional cleaning. Handling heat after sustained strings of fire is a typical concern with any short suppressor, and owners generally recommend giving it time to cool between strings.

On value, the Zeroed 556K is often described as a reasonable entry point into CMMG's suppressor lineup, and buyers appreciate that it works across multiple thread pitches instead of locking them into one host rifle. The main tradeoff some mention is the added paperwork and wait time that comes with acquiring any suppressor, which is separate from the product itself.

## Pricing

**3 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $526.39 |
| Deguns | $578.99 |
| Grabagun Com | $579.99 |

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*Data from [GunsNation](https://gunsnation.com)*