Table of contents Introduction 3 Milling machines 4 Equipment and tools 13 Converting the lathe 17 Micrometers and their use 22 Cutting tools and tool holders 26 Lessons in tool making 30 Making a keyway cutter 31 Deep hole drilling 37 Tools for reaming 38 Deep hole drills 40 Drilling the rifle barrel 42 Reaming drilled barrels 44 Building a heat treat furnace 46 Rifle barrel steel 51 Importance of rifling 55 Making rifling buttons 59 Different types of rifling 61 Rifling buttons 63 Making the buttons 67 Rifling cutter 71 Making reamers and barrel reaming 76 Making the chambering reamer 85 Rifling cutter 88 Heat treating tool steel 91 Making an electric heat-treat oven 96 Building a gas heat treat furnace 104 Lathes 108 Barrel vises and changing barrels 115 Threading and fitting 119 Button rifling machine 124 Bench rifling 130 Gun barrel straightening 134 Threading and fitting the barrel 137 Thread facts 141 Thread-cutting tools 143 Thread cutting in a lathe 146 Taps and threading 152 Relining barrels 156 Making 22 rf liners 160 Barrel inserts & liners 162 Repairing shotgun barrels 166 Shotgun chokes 169 Case hardening 175 Blacking firearms 179 Buffing and polishing 184 Lea polishing compound 188 Finishing gun stocks 199 Making a gunstock 211 Fitting recoil pads 215 First aid for wood 218 Refinishing wood 223 Etching on metal 230 Addresses 235