Glock Magazine Spring; 9mm, 10mm, .357, .40, .45 Auto (9 Coil)

Glock Magazine Spring 9 Coil

Use only in older G30 magazines factory-supplied with 3955 marked followers
9mm, 10mm, .357, .40, .45 Auto

Models: G19, G23, G26, G27, G29, G30, G32, G33, G38, G39 (including Gen4)