The Sylvan Arms Short K Short K suppressor (brand part no. SA300BTISD) is a .300 Blackout-rated suppressor threaded 5/8×24 for repeatable mating to a firearm without needing a dedicated muzzle device. Sylvan Arms designed the Short K Short K suppressor for direct-thread convenience; it is not rated for long-action or magnum calibers. The Short K favors .300 Blackout shooters who want a direct-thread suppressor without added mount hardware.

Key Specifications

• Rated for .300 AAC Blackout for platform-specific sound suppression.
• Threaded 5/8×24 for direct-thread attachment, no dedicated muzzle device required.

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 it rated for? .300 AAC Blackout.

How does it mount? Via direct thread, 5/8×24, with no separate muzzle device needed.

Buy the Sylvan Arms Short K Short K suppressor Suppressor

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 Sylvan Arms‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.