Colt Firearms High Wear Parts Repair Kit Features The Colt Firearms High Wear Parts Repair Kit gathers the small internal components of an AR15 or M4 platform that see the most wear through repeated cycling. Included are the extractor extractor spring assembly and extractor pin which together are responsible for reliably pulling spent cases from the chamber during each cycle. The kit also covers the hammer spring trigger spring disconnect spring and the hammer and trigger pins all parts of the fire control group that can weaken or wear with heavy use. Replacing these components with factory Colt parts helps restore a rifle s original reliability rather than relying on aftermarket substitutes of uncertain quality. Rounding out the kit are the ejector and safety detent spring ejector spring pin firing pin retaining pin and bolt ring each a small but essential part of the bolt carrier group and lower receiver assembly. Keeping a stock of these commonly worn parts on hand means a rifle can be brought back into service quickly rather than waiting on a single replacement part to be sourced. Because every component in the kit is produced by Colt specifically for AR15 and M4 platforms fit and function match the original factory specifications. The Colt High Wear Parts Repair Kit is available for sale at GrabAGun for armorers and rifle owners who want genuine replacement parts on hand. Colt Firearms High Wear Parts Repair Kit Specifications Manufacturer: Colt Firearms Model: High Wear Parts Repair Kit Compatible Hosts: AR15 M4 Type: Kit Color: Black Includes: Extractor Hammer Spring Ejector and Safety Detent Spring Hammer and Trigger Pins Extractor Spring Assembly Disconnect Spring Ejector Spring Pin Extractor Pin Firing Pin Retaining Pin Trigger Spring Bolt Ring Available At: GrabAGun