GGG-D-777B, FEDERAL SPECIFICATION, DRIVER, PROJECTILE UNIT, POWDER ACTUATED (HIGH VELOCITY) (ABOVE WATER ONLY); PIN, DRIVE, POWDER ACTUATED; AND CARTR
GGG-D-777B, FEDERAL SPECIFICATION, DRIVER, PROJECTILE UNIT, POWDER ACTUATED (HIGH VELOCITY) (ABOVE WATER ONLY); PIN, DRIVE, POWDER ACTUATED; AND CARTRIDGE, POWDER ACTUATED TOOL (31 OCT 1966)., This specification covers powder actuated projectile unit driver, drive pins, and power loads, for use above water only.