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Posted: 4/19/2012 8:44:25 PM EST
Today my 14.5" midlength upper came in, and I put it on my complete lower.  It fit great, there was very little play, and the take down pins could be taken out easily by hand.  Upon further inspection, though, I noticed that they didn't line up very well.  When you look at the gun from the top, the upper sits further left on the lower than it should.  There upper literally has some overhang on one side of the lower, and it is recessed on the other side.  I'm worried that once I buy a bolt carrier group and try to shoot it, it will bind up or hit the inside of the buffer tube. Any advice would be greatly appreciated!

http://i1246.photobucket.com/albums/gg616/dux29/DSCF0715.jpg

http://i1246.photobucket.com/albums/gg616/dux29/DSCF0716.jpg
Link Posted: 4/19/2012 8:57:31 PM EST
[Last Edit: 4/19/2012 8:58:13 PM EST by TJRoush]
I have had some like that...some real bad (imo) and some not.....hand cycle the action and get back to us, mine have all been fine.

Oh and stake that Castle Nut!
Link Posted: 4/19/2012 9:19:35 PM EST
Sounds good man I'll definitely do that.  It's gonna be another week or two until I get my BGC, I was just wondering if anybody else has had that problem.  I could care less about how it looks as long as it functions properly.  I was starting to get worried but hopefully it'll be fine.  Thanks for the response, and I'll tend to the castle nut soon!
Link Posted: 4/19/2012 11:00:48 PM EST
Fuck that noise.

I'm worried that once I buy a bolt carrier group and try to shoot it, it will bind up or hit the inside of the buffer tube.

That's what happened to this guy-> archived linky

Link Posted: 4/20/2012 1:49:22 AM EST
REJECT!
I'd send that sh!z back. Besides looking like crap - your sight line will offset the stock on your shoulder.
if you shoot other AR's this difference might cause a hitch to your learned setup.
Link Posted: 4/20/2012 1:56:36 AM EST
[Last Edit: 4/20/2012 1:57:56 AM EST by bassist]
So which is out of spec, the lower or the upper?
Link Posted: 4/20/2012 2:15:28 AM EST
Originally Posted By bassist:
So which is out of spec, the lower or the upper?


most likely PSA, if they cant get an order right, how can they get machine work.
Link Posted: 4/20/2012 2:36:33 AM EST
Originally Posted By xachary82:
Originally Posted By bassist:
So which is out of spec, the lower or the upper?


most likely PSA, if they cant get an order right, how can they get machine work.


Ummm, its pretty clear the upper is not machined center.  So, in this case, BCM=FAIL
Link Posted: 4/20/2012 2:44:48 AM EST
I would email BCM, that would not work for me.
Give them a chance, I'm sure they will make it right for you.
Link Posted: 4/20/2012 2:59:37 AM EST
Link Posted: 4/20/2012 3:10:01 AM EST
It would really be beneficial if you had a friend with an AR to swap parts and try to see which is out of spec. If you tear it down and just inspect upper and lower closely, as in the pic above with the ruler, you might be able to tell visually..
Link Posted: 4/20/2012 3:16:36 AM EST
Upper is out of spec, send it back.
Link Posted: 4/20/2012 3:38:37 AM EST
Pretty obvious in the photo looks like upper is out of spec by a lot.
Link Posted: 4/20/2012 3:45:50 AM EST
Man that's one jacked up upper.
Link Posted: 4/20/2012 3:59:20 AM EST
ahhhh why does this has to happen on my first build?

I'm gonna get a tape measure and make sure the lower is good to go and then I guess I'll email BCM.  As long as they stand behind it and make it right there won't be any hard feelings.
Link Posted: 4/20/2012 4:05:44 AM EST
Link Posted: 4/20/2012 4:13:47 AM EST
BCM will make it right. Give them a call they have a reputation for good CS that has been earned.
Link Posted: 4/20/2012 4:14:16 AM EST
Upper looks off to me
Link Posted: 4/20/2012 4:17:11 AM EST
Well thats the first time I have seen that. Made on Monday?
Link Posted: 4/20/2012 4:19:49 AM EST
Originally Posted By albatrossarmament:
Originally Posted By xachary82:
Originally Posted By bassist:
So which is out of spec, the lower or the upper?


most likely PSA, if they cant get an order right, how can they get machine work.


Ummm, its pretty clear the upper is not machined center.  So, in this case, BCM=FAIL


+2
Link Posted: 4/20/2012 4:29:34 AM EST
Originally Posted By sdvivian:
BCM will make it right. Give them a call shoot them an email, they have a reputation for good CS that has been earned.


Fixed it for you.
Link Posted: 4/20/2012 4:49:20 AM EST
+1 for emailing them. Good luck trying to call.

My PSA lower and BCM upper fit fine. I was one of the fortunate that had it all come together fine. *knocks on wood*
Link Posted: 4/20/2012 5:02:29 AM EST
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.
Link Posted: 4/20/2012 5:16:56 AM EST
That's so bad it's funny.
Link Posted: 4/20/2012 5:33:48 AM EST
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


This exactly...

BCM does test fire so I'm sure it works but it should probably be replaced especially if you're not happy with it and it could possibly cause issues later on down the road.

BCM will take care of you though no problem.
Link Posted: 4/20/2012 6:54:13 AM EST
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


I love how when its BCM people say "oh it can happen to the best of them" but when its a less favorable brand like the one in the other thread its "thats what you get for buying a less than a tier 1 brand"
Link Posted: 4/20/2012 7:16:44 AM EST
[Last Edit: 4/20/2012 7:17:21 AM EST by JeffCsr]
Originally Posted By Weezer:
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


I love how when its BCM people say "oh it can happen to the best of them" but when its a less favorable brand like the one in the other thread its "thats what you get for buying a less than a tier 1 brand"




Yeh, funny how that works
Link Posted: 4/20/2012 7:53:07 AM EST
Originally Posted By JeffCsr:
Originally Posted By Weezer:
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


I love how when its BCM people say "oh it can happen to the best of them" but when its a less favorable brand like the one in the other thread its "thats what you get for buying a less than a tier 1 brand"




Yeh, funny how that works


Amen.  The truth is, no company is perfect.  Also, paying more, doesn't guarantee you are automatically getting more.  You need to use your own smarts and weed out the good and the bad.  

(FYI - this has nothing to do with BCM and everything to do with over zealous fans)
Link Posted: 4/20/2012 7:57:18 AM EST
Yeah I'm new to the AR game so I'm not really biased to one brand or the other.  I just knew BCM had a good reputation.  I sent them an email this morning and within 10 minutes they emailed me back saying they'd email me a UPS return label.  I'm confident they'll make it right. Thanks again for all the feedback!
Link Posted: 4/20/2012 8:07:33 AM EST
and I just ordered one...  thanks for posting pics, I'll be sure to check mine out
Link Posted: 4/20/2012 8:13:58 AM EST
Originally Posted By dux29:
Yeah I'm new to the AR game so I'm not really biased to one brand or the other.  I just knew BCM had a good reputation.  I sent them an email this morning and within 10 minutes they emailed me back saying they'd email me a UPS return label.  I'm confident they'll make it right. Thanks again for all the feedback!


Glad to hear they are taking care of you.

Link Posted: 4/20/2012 8:15:55 AM EST
Originally Posted By dux29:
Today my 14.5" midlength upper came in, and I put it on my complete lower.  It fit great, there was very little play, and the take down pins could be taken out easily by hand.  Upon further inspection, though, I noticed that they didn't line up very well.  When you look at the gun from the top, the upper sits further left on the lower than it should.  There upper literally has some overhang on one side of the lower, and it is recessed on the other side.  I'm worried that once I buy a bolt carrier group and try to shoot it, it will bind up or hit the inside of the buffer tube. Any advice would be greatly appreciated!

http://i1246.photobucket.com/albums/gg616/dux29/DSCF0715.jpg

http://i1246.photobucket.com/albums/gg616/dux29/DSCF0716.jpg


That looks bad.
Link Posted: 4/20/2012 8:18:22 AM EST
Originally Posted By bassist:
So which is out of spec, the lower or the upper?


After looking at all the pics it looks like the upper is screwed up. Though my first guess was bad PSA lower.
Link Posted: 4/20/2012 8:19:19 AM EST
Originally Posted By dux29:
I took a picture of the back..

http://i1246.photobucket.com/albums/gg616/dux29/DSCF0721.jpg


Its the new BCM Cornershot upper.
Link Posted: 4/20/2012 8:34:46 AM EST
Originally Posted By AR15fan:
Originally Posted By bassist:
So which is out of spec, the lower or the upper?


After looking at all the pics it looks like the upper is screwed up. Though my first guess was bad PSA lower.


Oh...c'mon....no jumping to conclusion here, PSA can't take the blame for everything all the time.

Whether it was PSA or BCM, they both would have gotten OP squared away.

Real question for me is what is the forge mark on the upper(square?) I would just want to keep an eye on forges from that manufacturer since neither BCM or PSA actually make any of the recievers they sell.

Link Posted: 4/20/2012 8:36:31 AM EST
[Last Edit: 4/20/2012 8:37:53 AM EST by sinlessorrow]
Originally Posted By xachary82:
Originally Posted By bassist:
So which is out of spec, the lower or the upper?


most likely PSA, if they cant get an order right, how can they get machine work.


save this crap for GD

also the upper is out of spec thats BCM.


Originally Posted By JeffCsr:
Originally Posted By Weezer:
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


I love how when its BCM people say "oh it can happen to the best of them" but when its a less favorable brand like the one in the other thread its "thats what you get for buying a less than a tier 1 brand"




Yeh, funny how that works



cant argue with that, it happens plenty
Link Posted: 4/20/2012 8:42:22 AM EST
Originally Posted By srob7001:

Real question for me is what is the forge mark on the upper(square?) I would just want to keep an eye on forges from that manufacturer since neither BCM or PSA actually make any of the recievers they sell.



and clearly they are not inspecting 100% of the parts they receive from their suppliers. That upper should have never been used.
Link Posted: 4/20/2012 8:42:29 AM EST
Originally Posted By srob7001:
Originally Posted By AR15fan:
Originally Posted By bassist:
So which is out of spec, the lower or the upper?


After looking at all the pics it looks like the upper is screwed up. Though my first guess was bad PSA lower.


Oh...c'mon....no jumping to conclusion here, PSA can't take the blame for everything all the time.

Whether it was PSA or BCM, they both would have gotten OP squared away.

Real question for me is what is the forge mark on the upper(square?) I would just want to keep an eye on forges from that manufacturer since neither BCM or PSA actually make any of the recievers they sell.



The forge mark generally has nothing to do with who actually machined the piece. See the key hole below?
Link Posted: 4/20/2012 8:48:04 AM EST
Originally Posted By esq1995:
Originally Posted By JeffCsr:
Originally Posted By Weezer:
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


I love how when its BCM people say "oh it can happen to the best of them" but when its a less favorable brand like the one in the other thread its "thats what you get for buying a less than a tier 1 brand"




Yeh, funny how that works


Amen.  The truth is, no company is perfect.  Also, paying more, doesn't guarantee you are automatically getting more.  You need to use your own smarts and weed out the good and the bad.  

(FYI - this has nothing to do with BCM and everything to do with over zealous fans)



+1.  Fact is, probably 95% of these guys get parts in, slap a rifle together and ship it. Looking through posts here just about all of the manufactures have their share of problems and yes, paying more does not guarantee you get more in most cases.
I doubt the OP got the ONE bad receiver and I bet there are more out there.
The only problem I have is that bad receivers GET OUT THE DOOR of a company that enjoys a reputation for providing "high quality" equipment. No excuse for it.
Someone said that these uppers are all test fired.... I guess the guy  that test fired this upper didn't see the misalignment when he/she mounted it on their lower...... or worse, did and didn't care.

Link Posted: 4/20/2012 8:53:27 AM EST
Originally Posted By bdawg998:
Originally Posted By srob7001:
Originally Posted By AR15fan:
Originally Posted By bassist:
So which is out of spec, the lower or the upper?


After looking at all the pics it looks like the upper is screwed up. Though my first guess was bad PSA lower.


Oh...c'mon....no jumping to conclusion here, PSA can't take the blame for everything all the time.

Whether it was PSA or BCM, they both would have gotten OP squared away.

Real question for me is what is the forge mark on the upper(square?) I would just want to keep an eye on forges from that manufacturer since neither BCM or PSA actually make any of the recievers they sell.



The forge mark generally has nothing to do with who actually machined the piece. See the key hole below?
http://www.superiorarms.com/uploads/products/large/9491raw_upper.jpg


I was under the assumption whoever forged them machined them complete. Does PSA or BCM actually machine them? Or do they go to another place for that, then another for coating, and then finally to whoever is going to assemble them or sell them?
Link Posted: 4/20/2012 8:57:57 AM EST
Link Posted: 4/20/2012 9:01:51 AM EST
Originally Posted By Weezer:
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


I love how when its BCM people say "oh it can happen to the best of them" but when its a less favorable brand like the one in the other thread its "thats what you get for buying a less than a tier 1 brand"


And I love how some people can't understand statistics.

Link Posted: 4/20/2012 9:02:21 AM EST
[Last Edit: 4/20/2012 9:13:51 AM EST by The_Hammer]
That upper is definitely off.

ETA: I believe the reason your more likely to hear about an issue with a lower tier AR than a higher tier is due to the fact that more people can afford a lower tier. The higher the number of products sold then statistically your going to have a higher chance of a snafu.
Link Posted: 4/20/2012 9:09:35 AM EST
Originally Posted By Marksman14:
Originally Posted By Weezer:
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


I love how when its BCM people say "oh it can happen to the best of them" but when its a less favorable brand like the one in the other thread its "thats what you get for buying a less than a tier 1 brand"


And I love how some people can't understand statistics.



What are you paying extra money for then??  I mean, if I'm paying a premium price, I'm paying for the extra attention to detail and very skilled assembly. I'm assuming that the premium price reflects better QC ..... don't you?  
I mean, I can purchase the parts to assemble an upper just like the OP's. If I am paying a premium price to have someone else do it, it better be right with no excuses.


Link Posted: 4/20/2012 9:23:44 AM EST
Originally Posted By Dipper:
Originally Posted By Marksman14:
Originally Posted By Weezer:
Originally Posted By EdgecrusherXES_45:
It happens every now and then something is bound to get through QA.
BCM will make it right no worries man.


I love how when its BCM people say "oh it can happen to the best of them" but when its a less favorable brand like the one in the other thread its "thats what you get for buying a less than a tier 1 brand"


And I love how some people can't understand statistics.



What are you paying extra money for then??  I mean, if I'm paying a premium price, I'm paying for the extra attention to detail and very skilled assembly. I'm assuming that the premium price reflects better QC ..... don't you?  
I mean, I can purchase the parts to assemble an upper just like the OP's. If I am paying a premium price to have someone else do it, it better be right with no excuses.




This is pretty much my thought as well. If a company is building uppers with CMT & FN parts but charging BCM/Noveske prices what are you paying for other than a higher level of QC & QA?
Link Posted: 4/20/2012 9:41:41 AM EST
That should have been caught in QC and not let out of the door.
Link Posted: 4/20/2012 9:45:04 AM EST
Originally Posted By RangeWarrior:
That should have been caught in QC and not let out of the door.


You mean that part that you pay extra for from BCM to make sure these things don't happen?
Link Posted: 4/20/2012 9:49:08 AM EST
Originally Posted By bdawg998:
Originally Posted By RangeWarrior:
That should have been caught in QC and not let out of the door.


You mean that part that you pay extra for from BCM to make sure these things don't happen?


yeah
Link Posted: 4/20/2012 10:26:00 AM EST
Oh crap, there's been one bad upper reported from BCM. Everyone run for the hills, the world is ending.



Why do people act like there's some "messiah" thing going on with BCM or other "tier 1" brands? Yeah, mistakes happen. They also usually make them right in a much quicker and professional manner than the less expensive rifle companies. They also have fewer of these happen.



So what's the complaint about "OMG DONT PAY MORE!!!"? It doesn't make sense. One of these getting posted doesn't change anything. You'll see way more from other companies, even if you take volume into account.


 
Link Posted: 4/20/2012 10:34:29 AM EST
Tag to see how BCM handles everything. I'm sure they'll take care of you OP
Link Posted: 4/20/2012 10:41:29 AM EST
Look at all the DPMS fanboys having a circle jerk in this thread because they spotted a defective BCM upper.
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