SI also offers the end caps in various colors and designs to add a custom look and more personalization to your pistol.

Contents:
- 1x GMGR : SUS303
- 3x endcaps: 7075 T6 Aluminum
- 2x 0.2mm shims: SUS304
- 1x 0.4mm shims: SUS304

Instructions: The varieties of included shims are to ensure the guide rod fits a wide variety of compatible GLOCK™ slides. Begin with just the 0.4mm shim and test for fit and function. the shims also change how flush the end cap is to the front of the slide. 

Compatibility:

For G17,17L,22,24,31,34,35,37

Features:
- Easily swap different spring weights.
- Made from 303 Stainless Steel for corrosion resistance and increased toughness.
- Adjustable fit with the included shims even allows compatibility with our Jitterplug for GLOCK™ GEN3 upgrade.
- Endcaps available in 4 different colors, and 3 different designs.

NOTE: These are for GLOCK™ GEN3 size Guide Rods.  
NOTE: Very light reduced power springs may not function 100% in stock platforms when feeding from reduced capacity magazines.
NOTE: Use of medium strength thread locker to the endcap threads during installation is highly recommended.