Quoted:
Quoted: I'm not sure what other weapons this sight post was used on.
You bring up many good points. Take that trip to the arms room and let us know.
I got my gun in 97 or 98 if I remember right. It was before Colt had a separate "Defense" division. My weapon is basically the LE6721 model.
I pretty much zeroed it and put it in the back of the safe. Only a few months ago did the light bulb go on when I was dry firing. I said "WTF... this sight is different!"
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Just got back from the arms room - all of our M4's have the same site post as the M16's - I figured as much, since I only remember there being only one NSN to order them for both, but you had me wondering.
Now, I am wondering why Colt tapered the site posts for your rifle - and if they sell them as parts - I might want one!
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I strongly suspect that the M4s in your Arms Room all have "F" marked front sight bases; which was brought out precisely because the services didn't want to have two heights of front sights to deal with. Markm almost certainly has a standard sight base on his piece, which means that Colt had to use the higher post, which they had been doing ever since the Viet Nam issue XM177s, the SP1 carbines, and every other carbine type they ever put out prior to the F marked base.
Now Colt has "announced" that the higher front sight point is strictly for their flat tops with THEIR sight assy. They've even convinced much of the after market producers like Bushmaster that this is true. I recently was unable to convince one of the Bushie people that my SP1 carbine came w/a higher post in 1978, and that my M4gery, with a Bushie sight assy needed the higher point.
Thank you Markm for pointing out that the pre F base carbines all had higher front posts. BTW the Colt part number for this piece is SP64665 and is listed as "Sight post front, 16" barrel"
Hey, but don't listen to me
The "experts" on this site have all decided that higher front sight points are only for those with Colt flat tops and Colt sight assys; and like the shnook at Bushie refuse to believe that Colt carbines, whether flat top or one piece uppered, have always come with a higher font sight point.
Believe what y'all want the truth is still the truth.