Harrison Design 1911 Extreme Upgrade Kit Includes the following components: Extreme Service Ignition Set Extreme Service Short Trigger (blued or silver) Extreme Service Slide Stop (blued or SS) Extreme Service Magazine Catch (blued or SS) Features: Critical ignition parts are machined from high-grade tool steel for precise fit and reliable, consistent function under the most demanding operating conditions. Each component is wire-EDM cut, CNC machined and honed to final dimensions with +/-.005" tolerances for drop-in fit on many 1911s, then heat-treated to Rc 53-56 to maintain those dimensions through thousands of firing cycles. High-performance t Mfg: Harrison Design & Consulting SPECS: Available in carbon steel blued or stainless steel (SS).
