B&T XH-556 | 5.56 Suppressor | Titanium | SD-556RBS-Ti

The B&T XH-556 is a purpose-built suppressor for .223 Rem / 5.56 NATO platforms that pairs a 3D-printed titanium outer structure with a 718 Inconel blast baffle. It is engineered with B&T’s Reduced Backpressure System (RBS) and a low-flash endcap, and mounts via a quick-detachable HUB interface for rapid attachment and removal. The design targets users who prioritize reduced weight and mitigated gas blowback in high-round-count operations.

Product Specifications

• The manufacturer is B&T.
• The model is XH-556.
• The manufacturer part number is SD-556RBS-Ti.
• The caliber rating is .223 Rem / 5.56 NATO.
• The UPC is 840225717273.
• The attachment method is a quick detachable HUB interface.
• The thread pattern is 1.375×24.
• The primary construction material is 3-D printed titanium.
• The baffle is a 718 Inconel blast baffle.
• The finish is Gray Type 2 Anodized.
• The overall length is 7.1 inches.
• The ATF classification is SILENCER.
• The ATF model designation is PRINT-XH RBS.
• An additional feature is Reduced Backpressure System (RBS).
• An additional feature is a low-flash endcap.

The XH-556 combines modern additive manufacturing and proven high-temperature alloy internals to deliver a lightweight, user-focused suppressor for operators and competitive shooters who need durable, repeatable performance. Its HUB-style quick detach, low-flash endcap and reduced-backpressure geometry make it well suited to high-volume range training and precision/tactical shooting applications where handling and gas management matter.