The PS magazine was used by the Army for maintenance info for the field.If you spent any time in the Army you probably remember the PS magazine. As most of ya'll know the initial fielding of the M16 was a because of the powder and lack of a proper maintenance program. This is my copy of the first PS magazine issued 1 July 1969 for the new M16A1. I used to have two but I traded one for a 1918 Infantry tactics manual.
I tried to get these pics to be smaller but they changed photobucket and I can't figure it out.
Here's the cover
Here's Bonnie, the Queen of the PS magazine. These are the first two pages which show how to field strip it.