AR15 Extractor This extractor is designed specifically for use with .223 caliber rifles and is made from durable, high-quality materials. It is an essential component of your rifle's firing mechanism and is responsible for extracting spent rounds from the chamber. Luth-AR's .223 extractor is easy to install and is compatible with .223 AR platforms. Whether you are replacing a worn or damaged extractor or just looking to upgrade your AR, Luth-AR's .223 extractor is a reliable and effective choice. Made from 4140 Alloy Steel, Mil-Spec Heat Treatment, Manganese Phosphate finish. Mfg: Luth-Ar