- Can be used w/ factory or flat wound springs
- Rigid steel body improves lockup w/o "rod flex"
- Hex screw allows user to choose spring weights
- Will not chip or crack like plastic guiderods
- Blue loctite recommended on hex screw threads
- Can be used w/ gen 4 glocks w/ conversion insert
- GR-1722 fits G17/17L/22/24/31/34/35/37 pistols
- GR-1923 fits G19/23/32/38 pistols
- GR-2021 fitsG20/21/21SF pistols
May also need Recoil Conversion Insert.
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