Irregular Design Group HESYCHIA SIXK HUB Silencer-FDE

Silencer ships without a HUB adapter. HUB adapters pictured are for demonstration purposes only.

The Irregular Design Group Hesychia SIXK-HUB Suppressor is a compact, HUB-compatible suppressor designed for 5.56 NATO and 6mm ARC platforms. Utilizing the industry-standard 1.375″-24 HUB mounting interface, this suppressor supports a variety of mounting systems, including Hesion Bow, Rearden Atlas Plan B, and HUXWRX HUB adapters. Its compact size and lightweight design make it suitable for users seeking a modular suppressor solution compatible with multiple rifle configurations meeting minimum barrel length requirements.

Constructed from Inconel 718 using additive manufacturing (LPBF), the suppressor features a monolithic core designed to manage gas flow, reduce flash signature, and influence sound suppression characteristics. The internal design incorporates integrated baffles and gas pathways to support consistent performance across varying firing conditions. Available in Raw, Black, ODG, or FDE finishes, the Hesychia SIXK-HUB offers flexibility in both mounting options and configuration.

Specifications

• Caliber compatibility: 6mm ARC / 5.56 NATO
• Overall length: 4.825″
• Diameter: 1.65″
• Weight: 11.6 oz
• Material: Inconel 718
• Construction method: Additive manufacturing (LPBF)
• Finish options: Raw, Black, ODG, FDE (Cerakote or raw finish)
• Mount interface: HUB (1.375″-24 TPI internal threads)
• Compatible mounts (NOT included): Hesion Bow HUB, Rearden Atlas Plan B, HUXWRX HUB QD Adapter 2.0
• Minimum barrel length: 10.3″
• Full-auto rated: Yes
• Internal design: Monolithic core with integrated baffles and gas pathways