The M17 MHS is the full-sized semi-automatic handgun, while the M18 MHS and the M18 General Officer (GO) handgun are its compact variants. The M17 replaces the M9; the M18 . K subscribers in the guns community. Read Me: More than ***30%*** of our contributing community access reddit via a 3PA. And another significant. U.S. Army Reference Publications of World War II: Technical Manuals, etc. U.S. Army Technical Manuals--World War II [* indicates pdf copy] Air Manuals: TM 1-Cavalry Manuals: TM 2 .