Caliber: 5.56 NATO - Sound Reduction: 31dB - Mount: 51T Ratchet - Materials: Inconel 718 316L SS - Finish: Cerakote - Length: 5.25 - Diameter: 1.5 - Weight: 18 oz - 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.
Determined at checkout.