The Irregular Design Group Hesychia 556UK is a dedicated 5.56 NATO duty suppressor built as an ultra-compact, heavy-duty workhorse purpose-built for the 5.56 platform. Built from monolithic Inconel 718 via Laser Powder Bed Fusion as a single piece, it carries an asymmetric multi-stage gas management design in a noticeably tighter envelope without sacrificing tone, flash, or shooter comfort. The patent-pending Hesion Bow mounting system combines a 15-degree taper and a left-hand American Buttress thread with integrally printed flexure pawls for redundant, lightweight retention and fast engagement. This bundle ships with the included Micro Flow Enhancer muzzle device, the first-stage gas control pairing developed specifically for the 556UK, full-auto rated for 10.3" barrels and above.
- Brand: Irregular Design Group
- Model: Hesychia 556UK
- Caliber: 5.56 NATO
- Length: 4.75"
- Material: Monolithic Inconel 718
- Mounting Type: Hesion Bow Direct Thread
- Finish: FDE
| __Caliber | 5.56 NATO |
| __Capacity | NA |
| __Model | Hesychia 556UK |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |
