The Hesychia 556UK represents a new standard in dedicated suppression for the 5.56 NATO platform. Engineered for operators who refuse to compromise between maneuverability and performance, the 556UK delivers a “short and quiet” profile that redefines expectations for compact suppressors.
Key Performance Features:
Advanced Flow Dynamics: Designed to optimize gas flow, the 556UK drastically reduces blowback. This ensures a cleaner shooting experience and mitigates toxic gas exposure, even during high cadences of fire.
Signature Management: Beyond decibel reduction, this suppressor is purpose-built to “delete” muzzle flash and minimize visible signatures, maintaining tactical concealment in low-light environments.
Rugged Durability: Constructed entirely from Inconel 718, the 556UK is fully automatic rated and built to withstand the extreme pressures and heat cycles of professional use.
CALIBER RATING: 5.56MM NATO
OVERALL LENGTH: 4.72"
LENGTH ADDED TO MUZZLE: 2.875"
DIAMETER: 1.75"
WEIGHT: 13.0 oz.
MATERIAL: INCONEL 718
CONSTRUCTION: LPBF
FINISH: RAW
MOUNT: 1.125" – 8 AMERICAN BUTTRESS THREAD (PATENT PENDING) MICRO FLOW HESION BOW
BARREL RESTRICTIONS: 10.3" MINIMUM
FULL AUTO RATED: YES
INTERNAL TAPER ANGLE: 15 DEGREES INCLUDED
MPN: 556UK-RAW-28
*MUST USE MICRO FLOW ENHANCER
PRIMARY DESCRIPTION
SPECIFICATIONS
Barcode / UPC :
850078995254
Firearm Type :
Silencer
Caliber / Ga :
5.56
On-sale :
No
Hours