The WLA AR15 Extractor Spring Insert is a precision replacement component designed for AR15 rifle maintenance and repair. This 10-pack ensures you have multiple spare parts on hand for gunsmith work or multiple builds.WLA AR15 Extractor Spring Insert - Part #3008-1010-piece pack for multiple repairs or buildsPrecision-manufactured for reliable AR15 functionEssential replacement part for extractor assemblyCompatible with standard AR15 bolt assembliesPerfect for gunsmiths AR15 enthusiasts or anyone maintaining multiple rifles. These spring inserts are critical components that ensure proper cartridge extraction and reliable cycling of your AR15 platform.