TANDEMKROSS Recoil Spring Retainer Ruger PC Carbine. This retainer is machined from solid 400 series stainless steel for excellent strength and superior corrosion resistance. In addition the length of the retainer has been increased to provide increased stability preventing it from rotating off of the back of the guide rod. Compatible with both the Ruger PC Carbineand Ruger PC Charger Specifications for TANDEMKROSS Recoil Spring Retainer for Ruger PC Carbine: Manufacturer: TANDEMKROSS Color: Black Fabric/Material: Stainless Steel Features of TANDEMKROSS Recoil Spring Retainer for Ruger PC Carbine Machined from 400 series stainless steel billet for high strength and excellent corrosion resistance Designed with an increased-length to provide additional stability to retainer under severe conditions Easily installed in place of OEM component with no other modifications required to the firearm Package Contents: TANDEMKROSS Recoil Spring Retainer for Ruger PC Carbine TANDEMKROSS TK28N0405BLK1: Recoil Spring Retainer Ruger PC Carbine