I do not consider it so. Metal Gear only really becomes Sci-Fi in rising. Until then it was alternate history with small bits of more advanced tech, it was not really sci fi in the traditional mold.

SCi-Fi is about possible future like spaceships etc, everything what cabe created etc by science. So magic is fantasy.
Alternative history is sci fi why? in shor we can say. time machine is like sci - fi thing, you can back in time and change past and have what? alternative history.

Other way. In phisics is something like Infinite number of dimensions (or maybe not infinite but a lot of them :D) so here ww2 was win by allied, but in other dimension this war can be won by axis or russian.
So, yes alternative history (I very like talking about "what would have been if...") is a Sci-fi

Not really. Sci-Fi implies a greater level of sofistication than what is seen here.

@Moon
In-universe or Alternative history is still Sci-fi

In-universe, it was made in 1964.

Finally some Sci-Fi again.

The one on the workshop had broken textures so I went to the original model to see if I could get a working version.

Oshit, finally. A Shagohod model in processes of being ported to gmod?