Advanced Armament 556-SD

Caliber:5.56 NATO
Weight:18 oz
Length: 6.7"
Diameter: 1.50"
Finish:Cerakote™
Sound Reduction:31dB*
Mount:51T Ratchet Mount™
Materials:Inconel® 718, 316L SS

The 556-SD™ is a fast attach silencer for 5.56mm hosts. With a design based on an earlier version of the best selling M4-2000™, the compact and lightweight 556-SD™ offers consumers feature-rich content and excellent value. The 556-SD™ uses the tried and true 51T Ratchet Mount™ fast-attach system that enables users to install or remove the silencer in seconds. The baffle core of the 556-SD™ features 100% Inconel® 718 and full circumferential fusion welding to provide a lifetime of use under the most demanding conditions.

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