Daniel Defense SG-6Ti SoundGuard Suppressor, 6mm ARC, 1/2-28

The Daniel Defense SG-6Ti SoundGuard (brand part no. 06-140-30111) is a suppressor rated for 6mm ARC and threaded 1/2-28, part of Daniel Defense’s SoundGuard suppressor line built to pair naturally with their DDM4 rifles chambered in this cartridge. It’s finished in black for a clean, low-visibility profile.

Key Specifications

• Rated for 6mm ARC, a purpose-built cartridge for suppressed, long-range shooting.
• Threaded 1/2-28 for direct-thread mounting.
• Finished in black for a low-visibility, all-purpose look.
• Uses a titanium build, denoted by the Ti suffix in its SG-6Ti model designation.
• Part of Daniel Defense’s SoundGuard suppressor line, built to pair with their DDM4 rifles.
• The 6 in its model name reflects its 6mm-class caliber rating.
• Mounts via a fixed direct-thread interface rather than a quick-detach system.
• Compatible with 6mm ARC and similar 6mm-class rifle cartridges.
• Manufactured by Daniel Defense, whose SoundGuard line spans multiple DDM4 calibers.

Frequently Asked Questions

Is this an NFA item? Yes. As a suppressor, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What caliber is this suppressor built for? It’s rated for 6mm ARC.

Buy the Daniel Defense SG-6Ti SoundGuard Suppressor, 6mm ARC, 1/2-28

6mm ARC shooters running Daniel Defense rifles will find the SoundGuard a natural match for their build. This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through Daniel Defense‘s suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.