Editing and/or acting could be sleeker, it feels like there's a little bit of a pause between everything, or it goes just a little too slow.
The second clip should have started with him holding the weapon up - that or don't have him raise it in the first clip.
That default snow environment leaves something to be desired. Also, SNOW PARTICLES INDOORS AUGURHHHHFH
Very good concept, and audio choices. I like that you didn't use the death animation. You work well with such limited movements.