SOG Bulwark Flippers

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Designed in collaboration with Mikkel Willumsen, the Bulwark is a flipper with unmatched reliability.
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SOG Mikkel Willumsen Bulwark FLK Flipper Knife 3.58" D2 Black Drop Point, Blue Micarta and Blac…Retail price: $149.99, our price: $124.99
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SOG Mikkel Willumsen Bulwark FLK Flipper Knife 3.58" D2 Black Drop Point, Olive Drab Micarta an…Retail price: $149.99, our price: $99.99
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SOG Bulwark FAQ

The SOG Bulwark series delivers a robust, hard-use folding knife design created in collaboration with custom knifemaker Mikkel Willumsen. Built with a unique hybrid lock construction, this series offers both heavy-duty performance and excellent hand-in-hand ergonomics.

What blade steel is used on the SOG Bulwark?
The SOG Bulwark series features D2 tool steel for its 3.58-inch blade. This steel is highly regarded for its excellent wear resistance and edge retention, making it a dependable choice for utility and hard-use tasks.
What is unique about the lock on the SOG Bulwark?
The SOG Bulwark uses a unique hybrid frame lock design where a stainless steel frame is integrated alongside Micarta handle scales. This configuration provides the absolute security and solid lockup of a steel frame lock while allowing you to enjoy the traction and aesthetics of Micarta on both sides of the handle.
How does the SOG Bulwark deploy?
The SOG Bulwark features two deployment methods: a standard flipper tab and an elongated blade cut-out. The blade rides on a ball-bearing pivot, ensuring smooth, fast opening action whether you prefer flipping it or reverse-flicking it.
Who designed the SOG Bulwark series?
The SOG Bulwark was designed by Danish custom knifemaker Mikkel Willumsen. His signature style is evident in the knife's bold, tactical lines, robust hardware, and highly ergonomic handle contours.
What handle materials are available on SOG Bulwark knives?
SOG Bulwark knives feature handles made from a combination of black stainless steel and textured Micarta. The series offers different color configurations, including options with olive drab (OD) green or blue Micarta scales.