Here is the new sks gun magazine from Promag. This is a 20 round 7.62x39 Polymer gun mag that is built like a tank and comes with a lifetime guarantee. This is a great sks rifle magazine. Gunclip Depot has the largest selection of SKS gun magazines and gun clips. If you do not see the gun magazine you are looking for send us an email and we will try to locate it for you. Orders shipped within 24 hours except week-ends and holidays.