B&T XH556 Subcompact Suppressor, 5.56mm, Titanium

The B&T XH556 (B&T part no. SD-556RBS-SC-TI) is a subcompact 5.56mm/.223 Rem suppressor built from titanium in a shortened, maneuverable profile. The XH556 subcompact favors shooters who want B&T’s titanium construction and RBS engineering in the smallest available package.

Key Specifications

• Rated for .223 REM/5.56 NATO ammunition.
• Built from titanium.
• Built as a subcompact profile suppressor.
• Mounts via a 1.375×24 threaded hub, a direct-thread interface.

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.

How does this compare to the standard XH556? It’s a subcompact profile, shortened for maneuverable builds.

How does it mount? It uses a 1.375×24 threaded hub mount, a direct-thread interface, not a quick-detach can.

Buy the B&T XH556 Subcompact 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 B&T‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.