B&T’s Wild New Subguns Revealed: KH9S and KH9B

While visiting B&T’s headquarters in Switzerland, James gets hands-on with two new variants of one of the company’s most unique platforms: the KH9. If you're familiar with B&T’s KH9 series—short for “Karl’s Hobby,” a nod to its founder—you know it’s always been a bit of an oddball in the world of PCCs and SMGs. But these new versions might be the boldest iterations yet.

In classic B&T fashion, both guns build on a rock-solid foundation with Swiss precision, thoughtful modularity, and a bit of quirky charm. But one of them introduces a Bizon-style magazine setup, unlike anything we’ve seen from the brand before. The other might look a little more familiar, but it’s a serious callback to historical Sten-like designs—with a modern twist.

James sits down with Sebastian from B&T to walk through the design decisions, inspiration, and future plans for the KH9 platform. From the unique operating system to practical details like folding grips and charging setups, this video dives deep into these new Swiss subguns.

Whether you’re a collector, a shooter, or just a nerd for bizarre subgun engineering, this one’s worth a watch. And if you think you’ve seen it all before... think again.

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