GLOCK 21/21SF MAGAZINE SPRING 10 COIL

Glock 21/21SF Mag Spring 10 Coil This 10 coil replacement magazine spring is for high capacity, pre-ban, or LEO Glock 21/21SF Wide Base factory magazines Works with new magazines and old magazines with followers marked 1304, 1304-1, 1304-2, or 1304-3