Replace your polymer guide rod assembly with a stainless steel unit from SBE Precision Products. These guide rods not only provide improved durability, but also reduce felt recoil due to the increased weight. Springs can also be easily changed to accommodate different loads, and pistol configurations. Precision machined from 17-4 PH Stainless Steel, and heat treated for long service life. These are Gen 3 assemblies and will not work with Gen 4 guns.
Glock 17 17L 22 24 31 34 35 37 Gen. 1-3 assembly includes standard 17lb. weight factory spring made by ISMI. Glock 19 23 32 38 Gen. 1-3 assembly includes standard 18 lb. weight factory spring made by ISMI. Price for the complete assembly is $19.99.
Stainless steel guide rods without the spring installed are also available. This allows you to use the spring weight of your choice. Price for the guide rod alone is $15.