DESCRIPTION 
ADD A CUSTOM LOOK TO YOUR GLOCK BY INSTALLING THIS CENTENNIAL DEFENSE SYSTEMS STAINLESS STEEL GUIDE ROD ASSEMBLY WITH CHOICE OF ISMI SPRING AND CHOOSE FROM A  BLACK OXIDE COATED GUIDE ROD ASSEMBLY AND SCREW, TITANIUM NITRIDE COATED GUIDE ROD ASSEMBLY AND SCREW OR A STAINLESS STEEL GUIDE ROD ASSEMBLY AND SCREW.
FITS GLOCK MODELS- 17,17L,19, 22, 23, 24, 31, 32, 34, 35, 37 38 
The Centennial Defense Systems Stainless Steel Guide Rod Assembly-  is a complete drop in unit. Special features include a solid one piece stainless steel guide rod precision CNC machined to accept a removable CUSTOM STAINLESS STEEL BLACK OXIDE, TITANIUM NITRIDE OR STAINLESS STEEL ALLEN HEAD SCREW. The ISMI recoil spring is manufactured of certified materials, heat treated for longer life, shot peened for stress relief and finally calibrated to Glock factory specifications. The Spring includes a full 1 year replacement warranty that extends beyond just materials and workmanship. We even cover failure due to wear. These combined features make the Centennial Defense Systems Guide Rod Assembly the most durable, longest lasting system available today. Experienced shooters realize plastic guide rods can chip, crack or break resulting in feeding or ejection failures and guide rod flex can contribute to accuracy problems. The Centennial Defense Systems Guide Rod Assembly addresses all of these issues and will provide you a life time of reliable service. INCLUDES- 1- GUIDE ROD, 1- ISMI SPRING, 1- SCREW and  1- WASHER GUIDE ROD IS PRE-ASSEMBLED TO YOUR CHOICE OF SPRING WEIGHT
100 % MADE IN USA THE CENTENNIAL DEFENSE SYSTEMS GUIDE ROD ASSEMBLY WILL ALSO FIT GEN 4 GLOCK MODELS BY INSTALLING THE GEN 4 GUIDE ROD ADAPTER RING SOLD AT OUR GoTo GEAR STOREFRONT. USE THIS EBAY ITEM NUMBER 291910290957 TO FIND THE ADAPTER RING.
RECOIL SPRING WEIGHT BY MODEL
GLOCK FACTORY SPRING WEIGHT FOR G19,23,32,38 is 18lbs
GLOCK FACTORY SPRING WEIGHT FOR G17,17L,22,24,31,34,35,37 is 17lbs
RECOIL SPRING WEIGHT USAGE 11 - 13 LB SPRINGS ARE MOSTLY USED FOR COMPETITION SHOOTING, OR IF USING A RECOIL COMPENSATOR ON YOUR BARREL.
LIGHTER WEIGHT RECOIL SPRINGS HAVE A FASTER RECOIL TIME AND ALLOWS THE SHOOTER TO STAY ON TARGET AND RE-ADJUST TO THE TARGET FASTER AND EASIER 14 - 16 LB RECOIL SPRINGS ARE REDUCED POWER AMMUNITION LOADS17 - 18 LB RECOIL SPRINGS ARE GLOCK FACTORY WEIGHT RECOIL SPRINGS19 - 24 LB RECOIL SPRINGS ARE FOR HEAVY POWER AMMUNITION LOADS +p or +p+
THE CORRECT LOADS ARE NECESSARY TO MAKE SURE YOU DO NOT HAVE CYCLING ISSUES.
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.