This is an original equipment British Sterling SMG magazine. This magazine has a 34-round capaicty of 9mm ammo and is marked "MAGAZINE STERLING 9mm 34RDS PATENT NOS 615471 & 692768 IN UK over AND CORRESPONDING FOREIGN PATENTS" along the spine. Overall condition is fair. There is a decent amount of wear and patina to the metal along with some areas of corrosion. Buy online today!