How much did you bet?
You'd lose. They are issued H&K USP-40s, with a special LEO modifications. Don't know just what those are, but the USP is available in Double Action Only, and I suspect that's what they saddle the FFDOs with.
According to the H&K website they are available:
- SA/DA Variant Double Action/Single Action with safety lever for safety and de-cocking function, arranged on the right or left side
- SA/DA Variant Double Action/Single Action with safety lever, arranged on the right or left side
- SA/DA Variant Double Action/Single Action with safety lever only for de-cocking function, arranged on the right or left side
- Variant DA Double Action with safety lever for safety function, arranged on the right or left side, without de-cocking lever
I believe that you are right. After reading thread, it seems to be a consensus that was an HK. A lot of opinion pointing to some sort of “lock”. I believe that H&K’s have an excellent reputation.