
In stock — ships from distributor
⚠ This item is a firearm and must ship to a licensed FFL dealer. You will pick your dealer at checkout.
| Brand | B&T USA |
|---|---|
| Model | XH556 |
| MPN | SD-556RBS-SC-Ti |
| UPC | 840225717266 |
| Category | Firearms / NFA |
<p><strong>Key Features </strong></p><ul> <li><strong>Hybrid 3-D Printed Design:</strong> Lightweight titanium body for easier handling plus a robust Inconel blast baffle to withstand superheated gases.</li> <li><strong>Reduced Backpressure System (RBS):</strong> Limits bolt speed increase to under 2% preserving weapon health and operator comfort..</li> <li><strong>No Barrel Length Restrictions:</strong> Engineered for full-auto use and ensures flexibility across firearm platforms.</li> <li><strong>Weldless Construction:</strong> Eliminates traditional weak points improving reliability over extended shooting sessions.</li> <li><strong>User-Friendly Mounting:</strong> HUB interface options (1.375×24 TPI) and wrench flats simplify attachment or removal across multiple rifle systems.</li></ul><p><strong>Features:</strong></p><ul> <li>Caliber: 5.56 / .223</li> <li>Weight: 8.5 oz</li> <li>Length: 5 in</li> <li>Material: Titanium</li> <li>Diameter: 1.75 in / 44.5mm</li> <li>Color: Grey</li> <li>Finish: Type 2 Hard Coat Anodized</li> <li>Attachment Options: HUB Interface Compatible</li> <li>Includes: ROTEX/ SF HUB Mount Wrench and Manual</li></ul>