If you can find a good SKS for 300, Id get one, they are very good Rifles.
Got an Early Yugo, the one without the grenade launcher, and love it. That thing will digest any kind of 7.62x39 ammo, and is built like a tank. If not the M44 Carbine, or a Mosin is also good. just look around, you will find something nice. I bought a very nice Used Traditions Persuit .50 Calliber, with ammo, patches, and accesseries for $300 year before last. Thats alot of fun also. Good luck.