The Bersa Whisper Tech (brand part no. WTB556XDTB) is a 5.56 NATO-rated suppressor built from black stainless steel and threaded in a left-hand M13x1 pattern. Bersa designed the Whisper Tech for AR-platform shooters who need a durable, stainless-steel suppressor matched to a left-hand-threaded muzzle device. The Whisper Tech favors shooters running compatible left-hand-thread barrels who want a rugged 5.56 suppressor.

Key Specifications

• Rated for .223 Rem/5.56 NATO for AR-platform sound suppression.
• Built from black stainless steel for durability.
• Direct-thread M13x1 left-hand mount for compatible muzzle devices.

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? .223 Rem/5.56 NATO.

How does it mount? A M13x1 left-hand threaded direct-mount system, not a quick-detach mount.

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