IMPROVED EXTRACTOR AND BOLT FOR A FIREARM

摘要

A bolt for a firearm is provided herein, the bolt having: an extractor pivotally mounted to the bolt for movement between at least a first position and a second position, the extractor having a hook member located at a distal end of the extractor, wherein the hook member is at least partially received within a pocket on a muzzle end of the bolt and the hook member moves away from a center line of the bolt as the hook member is moved from the first position towards the second position, wherein a bottom of the pocket is recessed at least a first dimension within a first range A that is greater than 0.130 inches and less than 0.200 inches in a first direction from the muzzle end of the bolt and the hook member has an axial thickness parallel to the center line of the bolt within a first range A that is greater than 0.050 inches and less than 0.130 inches and wherein the hook member is flush with the muzzle end of the bolt when the hook member is in the second position.