Manual includes information on all models. Easy to use -- Comb binding lies open and flat on your work surface. 16 pages & 20+ high-resolution grayscale images. Cardstock cover. Bright white paper. Includes an Introduction, a brief history of M16 AR-15, Safety First and Exploded Parts Diagrams (4 pages). Disassembly instructions cover Clearing Rifle, Upper & Lower Receivers, Bolt Assembly, Charge Handle, Firing Pin Retainer, Bolt Cam Pin, Extractor, Ejector, Bot Carrier Key, Buffer & Action Spring, Handguards, Hammer, Disconnector, Trigger, Bolt Catch, Magazine Catch, Buttstock, Pistol Grip and Trigger Guard. Reassembly Tips include Action Spring & Buffer, Cam Pin, Bolt Carrier Key, Extractor / Ejector, Charge Handle and Bolt Group.