I recently reviewed the FOSSA-556 – a muzzle climb reducing flash suppressor from White Sound Defense (WSD). WSD is known for using premium materials and finishes on their gear and the original FOSSA-556 is no exception. It is made from 17-4PH stainless steel with a titanium aluminum nitride surface coating. Those materials and finishes can really add a lot of durability and functionality to their product but they can also add cost which is why WSD is now introducing the FOSSA-556 with a simple black oxide finish at a lower price.
You can pick up both versions of the FOSSA-556 at CPWSA.com.
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