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My new Colt LE6920 - Are these issues to be concerned about?

7K views 21 replies 15 participants last post by  Alien 
#1 ·
I'm a little bit of a noob when it comes to AR 15's. Got this new colt...about 500 rounds through it. Picture one...notice the small dend/scratch on the right side of the hammer. Picture number 2, notice the paint gone on the inside of the upper....doen't feel rough or anything but looks like something scratched off the finish. Picture number 3....notice I'm shaving a bit of brass...notice the slightly messed up area on the bottom of the case...this is what all brands of ammo look like in both 556 and 223. Never any failures....heard this kind of thing can be buffer tube or pressure/timing problems.....but should I be concerned? Thanks.



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#2 ·
Pic #1 -- Not sure. If it's a true gouge, I'd keep and eye on it, as it could lead to early failure. If it's just a scratch, I wouldn't worry about it. You can always pick up a spare hammer to keep around, just in case (spare parts are cheap)...

Pic #2 -- This is just the start. The shiny streaks inside the receiver will tell you where you need lube...

Pic #3 -- That ding is pretty common. Consensus is it's from the bolt lug "wiping" across the case as it strips the round from the magazine and chambers it...

Most importantly...shoot it and enjoy it!

Merry Christmas!
 
#3 ·
A spare parts kit can and WILL be your best friend. Pick one up when you can. ;)

I agree with danco above. Keeping your AR in top shape will keep you sending brass flying to the right for a long time. Keep it clean and lubed without overkill, keep an eye on the hammer, get that kit and keep the pig fed.
 
#5 ·
So the case head swipe. You're sure it's nothing to worry about? what about the fact the primer seems a little squished. Could this level of pressure issue be of concern? I know not all ar's do this...is there a way to fix it? Is it the buffer tube that needs weight to change timing? Why would a new colt do this if not all do it?
 
#20 ·
I was always under the impression that high pressure was the result of the ammo and not the gun. Are you sure the coating is removed from the inside of the receiver? I ask because some makers use a waxy looking substance to coat the inside to make sure it is well lubbed and this substance looks like bare metal. I think your AR is good to go.
Alien
 
#10 ·
Best advice I can give you on an AR is to sit down and write your congressmen and tell them to stop the AWB or you won't have that baby long enough to break it in. Do it NOW.
 
#21 ·
I would keep my eye on it but I don't believe it's a big deal at this point.
I haven't had a chance to shoot my L.E. 6920 yet. The weather is Cold & too much Snow for this old guy.
When I do I will take a look.
This is my fourth Colt AR & my second 6920.
No problems in the past & I don't expect any in the future.
Go shooting & have some fun for all of us who have Re-versed Global Warming.

The Big Deal is the Price of .223 or 5.56 Ammo.
 
#22 ·
I also haven't had a chance to shoot my new 6920. My excuse is the ammo. I refuse to pay the outrageous prices being asked for ammo at this time. If folks would stop hoarding and stop paying those high prices maybe we could get back to "normal" whatever that may be.
Alien
 
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