Replacement guide rod for Glock handguns. Gunsmithing installation may be required. Notes: Replacement of this guide rod may make your gun illegal for IDPA SSP division competitionDesigned for Generation 1-3. Generation 4 requires an adapter (sold separately) FeaturesSteel constructionProvides longer life and smoother cycling over stock plastic guide rodsMay also be used as a non-captured rod DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.