Add some firepower to your Sig 522 gun this with this gun magazine from Sig Sauer. This is a 10 round 22Lr polymer trasnslucent gun magazine that fits sig 522 rifles. This magazine uses ProMag load um up and stack um up for years anti-fatigue springs. Depot has the largest selection of Sig Sauer 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.