ive had my sks close to 2 years now. the first 6 months it shot fine without missing a beat. however i took it out oneday about the 7th month and it just wouldnt eject the shell. it is a yugo i forgot the model i think its something like a 59/66 something like that. anyhow it would have to take a strong blow to the bolt handle to eject the shell. but on the grenade mode where it shoots like a bolt action, it ejects nice and smooth. i dont know if its the ammo im using or if its got something wrong with the bolt. please help me out. anyones advise would be greatly appreciated. i love shooting this gun, its so freakin' fun to shoot.