.50 Caliber Maintenance Manual Dave got most of what he knows out of this manual. Its super rare! He says the reprint was his idea, so please buy it!! This is a really great tech manual. Fixed, Flexible, Turret type guns. Flexible water cooled guns, early huge !! M3 mount, M3 Tripod, M63 Tripod AA mount, M2 ammo Chest, M3 Water Chest Tech Info: A. All repair and rebuild standards B. All parts are shown with part numbers, but we commend our manual TM2213-25 for the best parts and exploded view info. C. All special tools equipment for field and depot maintenance. D. Inspection of all parts E. Repair and rebuild of all guns and mounts. F. Repair and rebuild of all guns equipment for 50's. G. References to all other .50 caliber manuals.