CMMG Zeroed K

Overview

The CMMG ZEROED 556K (SKU 11DB015) is a purpose-built "Kurz" (short) suppressor engineered specifically for the AR-15 platform. While full-sized cans can make a carbine feel front-heavy and unwieldy, the 556K provides a compact 5.5-inch footprint that maintains the agility of your rifle while significantly reducing blast and sound signature. Constructed from heat-treated 17-4 stainless steel with a surface-hardening nitride finish, this tubeless, laser-welded silencer is full-auto rated and built to survive high-volume range use.Designed for maximum modularity, the ZEROED 556K features the industry-standard 1.375x24 HUB mount threading. This allows you to use the included 1/2x28 and 5/8x24 direct-thread mounts or easily swap them for popular QD systems like KeyMo, ASR, or Rearden. With its 3/8-inch square drive end cap for easy maintenance and a lightweight 13.5 oz profile, it is an ideal choice for 10.5-inch to 16-inch 5.56 NATO barrels. Whether you're building a dedicated home defense SBR or a lightweight ranch rifle, the 11DB015 offers duty-grade durability and HUB flexibility in one mission-ready package.Technical Specifications:SKU: 11DB015Caliber: 5.56 NATO / .223 Rem (Also .22 ARC, 5.7x28)Material: 17-4 Stainless Steel / Nitride FinishMounting: 1.375x24 HUB (Includes 1/2x28 & 5/8x24 mounts)Length: 5.5" (with mount)Full-Auto Rated: YesExpert Verified PerformanceWe put the 556K through a 270-round torture test to see how it handles the heat. Read our full CMMG ZEROED 556K Review here.