A basic understanding of headspace and how it affects the proper operation of a firearm are necessary if you wish to call yourself a gunsmith . This booklet contains all the information a student of gunsmithing needs to diagnose headspace.
Fred Zeglin has been building custom hunting rifles for over thirty years. Zeglin has taught classes for the NRA Short Term Gunsmithing program at three separate colleges and is the Coordinator/Instructor for the Firearms Technology program at FVCC. He is a recognized expert in wildcat cartridge design and development. Fred earned his AA degree and Professional Certificate in Gunsmithing at Lassen College. He is the owner of 4D Reamer Rentals LTD. He designs his own reloading dies to speed delivery of wildcat projects that combine technology with modern materials and principles to produce the best possible specialty dies and rifles for his clients. He also designed and produced several new specialty tools for wildcatting and accurate reloading of ammunition. Over the years Fred has worked in many facets of the Gunsmithing trade, from general repair to antique restoration. Each shop he worked in had a different focus, some were handgun centered, others shotgun or rifle specialized. Fred's custom rifles have ranged from simple hunting guns to Best Quality custom rifles selling at the top of the market.