Check the listing for details. Magazine Catch Spring & Slide Lock Spring For Glock 42, 43, 43X, 48. Condition: New. Listed at 10.95 USD. GoTo GEAR Stainless Steel Magazine Catch Spring And Slide Lock Spring For GLOCK 42, 43, 43X, 48 The GoTo GEAR reduced pound magazine catch spring for the Glock cuts the magazine catch weight in half for quicker mag drops and less resistance during magazine swaps. The reduced weight spring allows shooters to depress the magazine catch without requiring as much pressure to allow the shooter to stay on target during magazine swaps and increase the speed of the magazine changes. The stock weight magazine catch spring is approximately 5lbs and the GTG reduced pound magazine catch brings the weight down to approximately 2.5lbs. Made from Stainless Steel Disclaimer - "GLOCK" is a federally registered trademark of Glock, Inc. or Glock Ges.m.b.H. GoTo GEAR has NO affiliation in any manner with, or otherwise endorsed by, Glock, Inc. or Glock Ges.m.b.H. The use of the word "GLOCK " on this page is merely to identify which firearm these parts or components are compatible with.