The GSL Technology GT300K (brand part no. GT-300K-SUP) is a .300 Blackout suppressor built in stainless steel as a more budget-conscious option. GSL Technology rates the GT300K for full-auto fire and includes a patented retention system to keep the can secured. The GT300K favors .300 Blackout shooters who want a proven, budget-friendly can.

Key Specifications

• Designed for .300 Blackout.
• Built in stainless steel for a budget-conscious option.
• Rated for full-auto fire.
• Includes a patented retention system.

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.

Is it rated for full-auto fire? Yes, it is full-auto rated.

How does it mount? It mounts via direct thread, secured by GSL’s patented retention system rather than a quick-detach mount.

Buy the GSL Technology GT300K 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 GSL Technology‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.