Rival Arms Extended Slide Lock Compatible With Glock Gen3/4 Stainless RA. CNC-machined from a solid stainless steel billet for a stronger more precision part Quench-Polish-Quench (QPQ) thermo-chemical case hardened to resist normal wear and tear even in the harshest conditions No gunsmith required Limited lifetime warranty Specifications for Rival Arms RA80G001A Extended Slide Lock Compatible With Glock Gen3/4 Stainless: Manufacturer: Rival Arms Finish: Black QPQ Case Hardened Fabric/Material: Stainless Steel Country of Origin: USA Package Contents: Rival Arms RA80G001A Extended Slide Lock Compatible With Glock Gen3/4 Stainless The Rival Arms RA80G001A Extended Slide Lock Compatible With Glock Gen3/4 Stainless is a quality addition to the Rival Arms lineup. For more great deals on Pistol Parts by Rival Arms please browse our Rival Arms Gun Parts page. Rival Arms RA-RA80G001A: Extended Slide Lock Compatible With Glock Gen3/4 Stainless