NEA Lower Question/Problem... HELP!

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I can't get my Trigger in? What Should I do? Gives a new meaning to Gritty feel :rolleyes:

Should I drill out the Front pivot pins too?

Why the 'Z'? Does it mean ZUPER Good? *sigh............:slap:

With my experience with Armalite, CMMG, AREO, STAG, ATRS and DPMS, every change be it pins, triggers, uppers, etc. Just happened, I never thought about it. Everything just fit and worked.

This is mind boggling that the first 2 things I tried to put in the Lower don't even fit...

pos_zps343906c3.jpg
 
it is probably a real crappy 2. For second gen, im sure thats what mcfail will have us believe. cause you know nothing is wrong with current gen stuff. it is all zupperdeedooper

im sorry man, i am LOLing now. :D

probably the Z means it was destined for zeee scrap bin, but they decided to sell them at a zuper discount instead.
 
jdman said:
it is probably a real crappy 2. For second gen, im sure thats what mcfail will have us believe. cause you know nothing is wrong with current gen stuff. it is all zupperdeedooper

im sorry man, i am LOLing now. :D

probably the Z means it was destined for zeee scrap bin, but they decided to sell them at a zuper discount instead.
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And here I thought this thread couldn't possibly get more interesting. Turns out I was wrong! I'm sure these are only isolated incidents... :rolleyes: Quality control has improved... :rolleyes: Nothing can go wrong (go wrong, go wrong...)

I'm also sorry for your pain, but I can't stop LMFAO! ;)
 
Let's hope NEA quality gets better given the supply situation in the US. We need more quality parts and variety in our market.
 
What do yo mean.?? The wall thickness is Mil-spec. LOL

I see it now. WOW. It does look....Thin.

wallthickness_zps9142aa4f.jpg


Even though I walked around the house with it...the trigger is still stuck in the nea lower......
ATRS. Well thought out. Clean, precise and sharp cuts.

I am Glad I bought this ATRS Lower....hahaha...can;t afford another though :)
 
I bet these problems are due to anodizing....

I was told a few months ago they'd changed their anodizing process, which, resulted in a better overall finished appearance, but, this would indicate to me that since more than one hole/interface aren't accepting pins or fitting into other components that the anodizing is too thick?

That's my gut feeling from day one when this started. Unless they're tooling has completely gone to sh!t, it would seem that they've either modified the parameters of the 3D model, or the anodizing is different.

I"m surprised this would just be getting caught now though. I mean, I talked to Jeff a number of months ago, like, 4, when he indicated that the anodizing was changing. You'd think if that had been the problem it would have already been dealt with by the time these lowers were fabricated.

I will point out however, when I got my second upper, it was a total b!tch getting the pin in for the dust cover. Like complete WTF you know?

I'm calling Tolerance/Anno issue on this one.

If that's the case, they're definitely not QC'ing these.

That Z stamped into the receiver is also bullsh!t. Seriously.
 
rivetc78 said:
I can't get my Trigger in? What Should I do? Gives a new meaning to Gritty feel :rolleyes:

Should I drill out the Front pivot pins too?

Why the 'Z'? Does it mean ZUPER Good? *sigh............:slap:

With my experience with Armalite, CMMG, AREO, STAG, ATRS and DPMS, every change be it pins, triggers, uppers, etc. Just happened, I never thought about it. Everything just fit and worked.

This is mind boggling that the first 2 things I tried to put in the Lower don't even fit...

pos_zps343906c3.jpg
Click to expand...
That lower is wrong on so many levels.

That paper thin aluminum in the two back corners of the magwell? Those are HUGE drill channels... Did someone follow a 5 year old's drawing on a napkin to cut those lowers?
 
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I wish someone at NEA would at least come on here and explain what the heck is going on. Having a former employee as the only company-related presence here just doesn't cut it. I know they had problems communicating on CGN in the past (putting it mildly) and I know they pulled their board sponsorship but that doesn't mean they cannot at least log in once in a while and answer some of these very legitimate concerns. If they choose not to engage in the chit-slinging so be it, but these problems should be addressed. I'm not a member of NEA's own forum but if anyone else here is, is there any explanation or details there about these issues?
 
Grizzlypeg said:
The anodizing explanation doesn't work for the bolt catch pivot hole that is too large.
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This is consistent with ALL of their lowers. I've just been flaring one end of the roll pin so that it's beefy enough to stay put. Someone suggested trying a 2.5mm pin instead of the milspec one, but I haven't heard whether it works or not and have yet to try it myself.

The undersized hole problem is most certainly due to the anodize. I've had so much junk stuck in the bolt catch spring chute that the bolt catch buffer/detent got stuck in the depressed position. Had to hit it with oil and work it back and forth a few times to get it moving normally. Spray some oil in all chutes and channels before assembling the lower. This soaks into the crud that is caked on and softens it up so any parts you install just bust it up. I have physically seen material get pushed out the other side of the lower as I installed the takedown pin (which required some light taps with a hammer the first time).

So oil in the holes and channels. Light taps with a hammer to install the pivot and takedown pins and trigger/hammer pins and you'll have it up and running in no time.
 
Jäger said:
So oil in the holes and channels. Light taps with a hammer to install the pivot and takedown pins and trigger/hammer pins and you'll have it up and running in no time.
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:rolleyes:
yeah no....if it was me, it would be headed back, i would not be pissing around with sh*t products. lesson learned here i hope finally.....DONT BUY NEA!

they have serious QC issues, and need some serious leadership over there to get their Sh*t together.
 
I just measured the bolt catch pivot holes. They are seriously oversize, and its no wonder a 3/32 roll pin doesn't work. The hole should be 3/32 which is .09375. We'll call it .094 for short. The hole in the receiver is .106 as measured by a precision pin and verified by a Mitutoyo micrometer. That is over 12 thou larger than it should be. A 3/32 roll pin won't even in its expanded state touch the walls. They are typically around 7 thou oversize and compress down 7 thou to the nominal diameter to be a firm fit.

I have let them know this at NEA. They have offered to send me a roll pin, but I have my doubts anything but a magic 3/32 roll pin will fix this problem.
 
Jäger said:
This is consistent with ALL of their lowers. I've just been flaring one end of the roll pin so that it's beefy enough to stay put. Someone suggested trying a 2.5mm pin instead of the milspec one, but I haven't heard whether it works or not and have yet to try it myself.

The undersized hole problem is most certainly due to the anodize. I've had so much junk stuck in the bolt catch spring chute that the bolt catch buffer/detent got stuck in the depressed position. Had to hit it with oil and work it back and forth a few times to get it moving normally. Spray some oil in all chutes and channels before assembling the lower. This soaks into the crud that is caked on and softens it up so any parts you install just bust it up. I have physically seen material get pushed out the other side of the lower as I installed the takedown pin (which required some light taps with a hammer the first time).

So oil in the holes and channels. Light taps with a hammer to install the pivot and takedown pins and trigger/hammer pins and you'll have it up and running in no time.
Click to expand...

Yeah, I know it has to be the anno thickness not being accounted for in 3D modelling. If the other hole is too big, again, this comes back to poor 3D design. These sort of mistakes should only be happening at the prototype stage.

As far as the bolt catch hole goes, that's a quick easy fix, that should have been addressed in the model right away. I mean, come on, every single GD one of these is CNC's from the SAME exact model geometry. As soon as you have three that are consistently big/small, you should be scratching your head and think, Hmm, let's take a look at the model based on what we're actualy getting here....

Unless they keep breaking drill bits on that hole and are McGuyvering them in order to keep up to demand....

I honestly don't understand it. I 3D model all GD day, and we're constantly finding things and fixing things, but, the rule of thumb is that it's okay so long as you catch/fix it before it leaves the shop.

Once it's out there, there's no excuse.
 
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