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AAC 556-SD Rifle Suppressor

AAC 556-SD Rifle Suppressor

5.56 NATO, 6.7", 31 dB

Stock# AAC102262 UPC 847128009092
Advanced Armament Corp

Availability: Out of Stock

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  • Caliber: 5.56 NATO
  • Weight: 18 oz
  • Length: 6.7"
  • Diameter: 1.50"
  • Sound Reduction: 31 dB (16" AR, Remington 55grn MC)
  • Mount: 51T Ratchet Mount™
  • Materials: Inconel® 718, 316L SS
  • FFL REQUIRED for shipment.


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. Includes 51T 1/2x28 Blackout® Flash Hider Mount. 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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