The Gemtech GMT-300 Suppressor, .300 Blackout, Black (brand part no. GMT-300BLK) is a .300 AAC Blackout suppressor. Gemtech builds it for hearing-safe, reliable performance.

Key Specifications

• Rated for .300 AAC Blackout ammunition for focused sound suppression.
• Finished in Black.
• Built with G-Core baffle technology for user-serviceable maintenance.
• Optimized for both supersonic and subsonic .300 Blackout ammunition.
• Mounts via direct thread (5/8×24) for a secure, low-profile connection.

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? It mounts via direct thread (5/8×24), not a quick-detach mount.

Buy the Gemtech GMT-300 Suppressor, .300 Blackout, Black

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