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Century Arms US Palm EOS-556 5.56 1/2x28

Century Arms US Palm EOS-556 5.56 1/2x28

Lowest Price
MSRP
$899.99
Savings
18% off
Verified In Stock at
44 Stores
Updated
Aug 26, 2026
1/2X28 Direct Thread Mount
Class Leading Suppression
Durable 3D Printed 718 Inconel Construction
HUB Compatible
Integrated Flash Hider
Low Back Pressure Design
Passes SOCOM Stress Test for Durability

Specifications

Caliber
Model
EOS-556
MPN
SU0021011-N
UPC
787450990913

Description

Century Arms US Palm EOS-556 Features Century Arms US Palm EOS-556 is manufactured from 718 Inconel using advanced 3D-printed additive manufacturing a production method that allows for complex internal geometries optimized for suppression efficiency that traditional machining cannot achieve. 718 Inconel is a high-strength nickel-chromium superalloy used in extreme heat and pressure applications providing exceptional durability and erosion resistance across the sustained high-volume fire conditions that destroy lesser suppressor materials. The US Palm EOS-556 has passed the SOCOM stress test for durability validating its construction against the most demanding military suppressor evaluation standard available. The low back pressure design minimizes the increased cyclic rate fouling and gas blowback that can affect host rifle reliability with conventional suppressor designs preserving the function and service life of the gas-operated 5.56 rifle it is paired with. An integrated flash hider reduces visible muzzle flash alongside the suppression function maintaining a low-signature shooting profile in low-light conditions. The US Palm EOS-556 mounts via 1/2x28 direct thread and is HUB compatible for shooters who prefer a quick-detach mounting system using a compatible HUB adapter. At 12.5 oz the US Palm EOS-556 delivers a short lightweight K-length profile that minimizes overall rifle length and weight penalty while maintaining class-leading suppression performance suited to both field and duty use. The matte black finish provides a low-glare heat-resistant exterior consistent with tactical and hard-use applications. As part of the US PALM EOS series this suppressor represents a convergence of aerospace-grade materials additive manufacturing precision and suppressor engineering optimized for the 5.56 NATO cartridge. Century Arms US Palm EOS-556 Specifications Manufacturer: Century Arms Model: US Palm EOS-556 Series: EOS Caliber: 5.56 NATO Construction: 3D Printed 718 Inconel Finish: Matte Black Mount: 1/2x28 Direct Thread Hub Compatible: Yes Weight: 12.5 oz Features: Integrated Flash Hider Low Back Pressure Design Durability: Passes SOCOM Stress Test
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