This AAC Triad Fast Attach Suppressor Adapter allows the shooter to quickly and securely attach an AAC Evolution 9 or ECO-9 Silencer to any firearm that is equipped with a HK 3-Lug Barrel or 3-Lug Barrel Adapter made to original HK specs. Manufactured from aluminum alloy and stainless steel, and finished in a durable Matte Black SCARmor coating.
Firearm Requirements: Barrel w/ HK 3-Lug Interface
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