My favorite gun to use on the NLF side playing Rising Storm 2. In early war they only get access to WW2 surplus weapons compared to the yanks M16s, I always found the SKS to be a bit too much gun for that game, and preferred switching to the 30 round M1 since it didn't really matter how big the bullet was, getting hits in with a faster fire rate was really effective
It's currently on sale on steam atm for like, 1.50 CAD, btw, so I imagine that's like 1$ USD or something. It's a good time playing as the Viet Minh, less so as the imperialists but at least you get some fun options to play as there, such as the Australians.