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RSR Stock #: AACO102262
Manufacturer Part #: 64058
UPC: 847128009092

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Advanced Armament Corp, 556-SD, 5.56MM, 51 Tooth, Rifle Suppressor, Black Finish


Warning: Discharging firearms in poorly ventilated areas, cleaning firearms or handling ammunition may result in exposure to lead and other substances known to the State of California to cause birth defects, reproductive harm and other serious physical injury. Have adequate ventilation at all times. Wash hands thoroughly after exposures.


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  • Cerakote finish
  • Fits the following muzzle devices 51T Ratchet Mount(TM), 51T 1/2x28 Blackout(R) Flash Hider Mount included

Product Description

The 556-SD(TM) is a fast attach silencer for 5.56mm hosts. With a design based on an earlier version of the best selling M4-2000(TM), the compact and lightweight 556-SD(TM) offers consumers feature-rich content and excellent value. The 556-SD(TM) uses the tried and true 51T Ratchet Mount(TM) fast-attach system that enables users to install or remove the silencer in seconds. Includes 51T 1/2x28 Blackout(R) Flash Hider Mount. The baffle core of the 556-SD(TM) features 100% Inconel(R) 718 and full circumferential fusion welding to provide a lifetime of use under the most demanding conditions.