Building Double Rifles on Shotgun Actions, covers such topics as what to look for in an action, building one- and two-piece monoblocks, proofing techniques, regulation, and everything else you'll need to know when building your own double rifle. This new second edition has more and updated information, including a chart for calculating the amount of spacing one needs between the barrels to have it shoot to regulation and includes a new chapter on one method of bringing barrels back on face. 218pp.