a single shot falling breech block rifle action with features to allow takedown and barrel changes to accommodate different rifle caliber and chambers . the action incorporates an automatic safety which blocks the internal striker . the compact design utilizes a small number of individual components . maximum use is made of parts which may be obtained commercially with high precision at reasonable cost . the trigger mechanism and striker share a common pivot point and reduce the requirements for external adjustments . the extractor is effective with rimmed or rimless belted cases in present use .