AR smith needed.

[Mr. Awesome]

I have a Colt M16A2 upper and the front sight post is canted to the right and needs to be fixed or replaced I may also want to replace the upper with an A4 version. Need a pro job any suggestions?
(besides the U.S. Firearms they wanted way too much)
Thanks!

[thedevl]

If you want to replace the upper just buy onr off the net. A complete upper is drop in and does not require fitting, just sight ajustment.

[seal13il]

I am a dealer for most top brands out there and can get you prob a better deal on high quality uppers from Rock River & DPMS, as per a smith, there is a very talented & professional one I work with out of Carson, but all Smiths that respect themselves are not cheap

Let me know if I can be of any help....

[Mr. Awesome]

I want to change the upper and keep my 1/7 Colt MP ID barrel.

[thedevl]

I want to change the upper and keep my 1/7 Colt MP ID barrel.

I would do a little resurch. I think you could order an upper with that kind of barrel for less that it would cost to use your barrel in a different upper. Also you would have 2 good uppers or sell the old one to cover a good portion of the cost on the new one.

[Denis]

You might have a damaged barrel or the sight block. It's held onto the barrel with two tapered pins, which index into the grooves on the barrel.

You can drive those pins with a punch and also remove the roll pin that holds the gas tube to the sight block. After that you can slide the FSB forward and inspect for damage.

http://www.ar15.com/forums/topic.html?b=3&f=4&t=226782

[Mr. Awesome]

You might have a damaged barrel or the sight block. It's held onto the barrel with two tapered pins, which index into the grooves on the barrel.

You can drive those pins with a punch and also remove the roll pin that holds the gas tube to the sight block. After that you can slide the FSB forward and inspect for damage.

Yeah, I think you are right. I will pull the FSB off and make shure the barrel is good to go. I guess I could just replace the FSB with a bolt on gas block if it is OK. But I would still need to swap uppers. It still shoots great I just have to crank the rear sight waaay over.

[kairo]

You might have a damaged barrel or the sight block. It's held onto the barrel with two tapered pins, which index into the grooves on the barrel.

You can drive those pins with a punch and also remove the roll pin that holds the gas tube to the sight block. After that you can slide the FSB forward and inspect for damage.

http://www.ar15.com/forums/topic.html?b=3&f=4&t=226782

Nicely done, you sure have done some AR reading since you picked yours up

[krmnalcrawler]

Sometimes those tapered pins can be a pain in the A$$ and require a little heat. Just know if they are stubborn all is not lost. I know that I have had a few that needed more than just a good whack to drive through. here is my current family of AR's I figure 4 more and I am done. Maybe

[rjb661]

Sometimes those tapered pins can be a pain in the A$$ and require a little heat. Just know if they are stubborn all is not lost. I know that I have had a few that needed more than just a good whack to drive through. here is my current family of AR's I figure 4 more and I am done. Maybe

Nicely done!! I too am an addict!! I have 2 complete AR's, 2 uppers and a lower in the safe waiting to be built. I still want more to boot!!!