The Irregular Design Group Hesychia 556UK + Micro Flow Enhancer Bundle is a compact, dedicated 5.56 NATO suppressor system built as a single-piece monolithic Inconel 718 can. Using Irregular Design Group’s asymmetric multi-stage gas management, it delivers a refined tone, reduced blowback, and excellent shooter comfort in a short 4.75" package with a 1.75" diameter and 13 oz weight. The patent-pending Hesion Bow dual-lock mount integrates a 15-degree taper with robust left-hand American Buttress threads for fast, repeatable attachment to the included Micro Flow Enhancer muzzle device, all finished in a durable FDE coating. This Hesychia 556UK configuration is purpose-built for 5.56 NATO carbines and is full-auto rated for barrels 10.3" and longer, making it well suited for intensive training, range work, and general-purpose rifle use where compact length and consistent sound performance matter. With reported sound levels of 135 dB at the ear and 138 dB at the muzzle, it balances suppression with reliability while maintaining a slim, snag-resistant profile. The design reflects Irregular Design Group’s focus on modern manufacturing, thoughtful gas control, and durable construction informed by professional end users.

Key Features:

• Manufacturer: Irregular Design Group
• Model: Hesychia 556UK
• Caliber: 5.56 NATO
• Overall Length: 4.75"
• Weight: 13 oz
• Mount Type: Hesion Bow Dual-Lock Mount
• Included Accessory: Micro Flow Enhancer Muzzle Device
• Material: Monolithic Inconel 718
• Sound Level: 135 dB At Ear / 138 dB At Muzzle
• Barrel Rating: Full-Auto Rated For 10.3" Barrels And Longer