the sks i have has already been modified when i got it and i can get through www.midwayusa .com mags.in 5,10,20,30,40,50 even 70 rd. mags.for it and at 200 yards the mil. ammo will punch through 3/8 in. steal plate i have a ak47 too both are semi but the ak is for spray and pray while the sk is...