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Israel got planeloads of U.S. weapons during the Yom Kippur war. Google "Operation Nickel Grass".That's at least one way it could have gotten Israeli proofmarks.
I think the rear sight isn't right...not from my memory. The correct one was a flip-up peep for close and far ranges...different size peeps. But that's the only thing I see that isn't quite right.
On the OP's rifle I notice that the rear sight aperture is different than any I saw on the rifles I was issued. I am not sure why that would be, as the M16A1 featured a folding two-leaf rear sight aperture designed to provide accurate fire to 250 meters on the primary setting, and "long range" with the other aperture (maximum effective range of the rifle was considered to be 360 meters, approx. 400 yards). I don't recall ever using the "long range" aperture; even at range qualifications with targets out to 360 meters I just used the standard aperture and adjusted my aim for the longer range targets.
Thanks for posting! A little stroll down memory lane.
Concur on rear sight. Top edge was round, tho that one looks like it might be flat to clear the receiver, where it lays down...? Would be interesting to see the rear sight rotated back, to see how it lays in, and to show the forward leaf.
Typically, one was marked "L" and the other "0-250" or
"250" (CRS in effect).
The gas ring (?) on bolt looks different, too. Norm was three
thin rings, but that one looks like a single fat ring. Maybe
someone jerry-rigged a replacement, when original rings
wore out, and correct parts weren't available?
Maybe the rear sight is a non-spec replacement, too...?
I won’t argue on the utility of full auto fire, but I beg to differ on the fun factor, I had a ton of fun shooting it.
CONGRATULATIONS---THAT'S MY OLD FRIEND. IT LOOKS TO BE IN VERY GOOD SHAPE....
I WISH IT COULD NARRATE ITS INTERESTING LIFE'S STORY......
THANKS FOR THE GREAT PICTURES, AND THE DETAILED INFORMATION.......
F.Y.I., the UI logo on the front of the mag is Universal Industries. They were the subcontractor back in the day that manufactured the 20rd mags for Colt. I bought an AR15 (SP1) new in the box in 1972. It came with (2) 20rd mags, blocked to 5rds. These mags came from Colt with Universal Industries marked floorplates. I still have them. Apparently, at that time, all Colt marked floorplates were going to the military.
That is an awesome looking pair of Colts you have there. I especially like the US Property marking. What does the paperwork consist of there and how long does it usually take to go through the process?
By the way the coloration of the barrel is due to bare metal subjected to high heat. The metal tends to oxidize somewhat during the cooling of the barrel. Totally normal and adds to the overall character of the rifle. Well done!![]()
I won’t argue on the utility of full auto fire, but I beg to differ on the fun factor, I had a ton of fun shooting it.
The butt trap wasn't introduced until 1969, and mine never had it but this one does. I don't remember the rear sight having a flat top on it, but it may have or have been an upgrade. Looks like it's got an aiming notch on the flat top for short ranges.
I really like the reproduction M16A1. Would it be stupid to pay $2000 for an AR-15?