The M16 has been the nation's military rifle since 1964. it has been carried in combat and on peacekeeping missions by American, allied and friendly soldiers to every corner of the world. Over thirty new pages added to this edition with up-to date information on the latest military developments in the M4, M16A3 and -A4, and M25 models, designated markman’s rifles, .22 caliber tactical rifles, and all new calibers in which the AR15s are chambered.) Provides a detailed examination of this famous rifle in both its military and civilian versions. Includung a comprehensive part-by-part examination of the rifle. Markings and codes for military and civilian rifles and carbines are deciphered and a six page table lists all models by all manufacturers currently in production, with specific features. S/C. 187p.