Finally got a copy that is only 4MB download
Here it is:
https://drive.google.com/open?id=0B3vWwz0ljvP5LUNfUXRKM1RuYjY4dFRXNGZVY3hISS1DNUxz
Here it is:
https://drive.google.com/open?id=0B3vWwz0ljvP5LUNfUXRKM1RuYjY4dFRXNGZVY3hISS1DNUxz
Everything past the summary (pages 11-160) is blacked out.
Semantics.Interesting that the Army completely skipped the M16 stating the M16A1 was developed from the independently developed AR15. Then again, the Army really hates it when you remind them that their primary rifle was originally adopted by the USAF. Biggest mistake the USAF ever made. Tried to go hi-tech and bungled it. Then the rest of the military tried to make a silk purse out of a sow's ear.
The tapered-prong flash suppressor came between the duckbill and the birdcage.Still no forward assist, or fences, but it has the birdcage flash suppressor.
The three prong suppressor collectors call the tapered three prong was on many of the XM16E1 marked rifles in US Army service and as late as the Mid 1970s some Infantry NCOs would change out the cage for a three prong when they could get away with it then remove it and carry it in their pocket to their next duty station....they were useful for opening crates with steel bands on them. also you could use them as a wire cutter in the same way ( two twisting in opposite directions or one , grab, stretch, and twist) or if in a hurry and in a bad place fork the wire and fire a round.
-kBob