Is this a Shin Gunto

[kino]

Someone offered this to me today.
I think it has military mounts. I pushed the bamboo pin out, and tried to remove the hilt, but was not successful. It was on there tight, I even banged on it several times with a ball peen hammer, while using a pair of vise grips on the blade, well not really, I just used my fist to hit the other hand holding the hilt.
Let me know what you guys think.