[ARCHIVED THREAD] - front sight stuck???

Posted: 5/25/2002 4:27:18 PM EDT

I just got a bushmaster A1 upper. The front sight seems to be an A2. This isnt the problem. I cant adjust the front post. I have adjusted the post on other uppers using a bullet tip. This one wont turn at all. I only need to adjust it down maybe 4 clicks. It should have plenty of space to move down. It wont turn either way. Anyone else ever have this problem. Will a sight tool help. Im afraid of forcing it and breaking something. thanks

Posted: 5/25/2002 6:54:19 PM EDT

[#1]

See if you can get a paper clip or something smaller then the bullet tip to push the pin down before trying to turn the sight. It should turn unless someone put loc-tite or something on it.

Posted: 5/25/2002 7:47:07 PM EDT

[#2]

Is this a new upper?

If not, maybe someone threaded the front sight hole all the way through and put a hex screw in from the bottom to keep the front sight from wiggling.

Competition shooters and others with too much time on their hands sometimes do this.

Posted: 5/25/2002 7:58:36 PM EDT

[#3]

I bought the upper used, but it was unfired. I am able to push the pin down all the way. The post will not move at all.

Posted: 5/25/2002 8:24:15 PM EDT

[#4]

you just need a front sight tool, those new front sights are very "thread tight".....

Posted: 5/25/2002 8:28:45 PM EDT

[#5]

My postban Bushy was the same way when I got it, but after a few hundred rounds it moves easily now using a bullet tip.

Posted: 5/25/2002 9:06:58 PM EDT

[#6]

Thanks, I will pick up a sight tool. I hope it is just tight threads. If thats what it is, Its real tight.

[ARCHIVED THREAD] - front sight stuck???

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[ARCHIVED THREAD] - front sight stuck???

[ARCHIVED THREAD] - front sight stuck???