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Posted: 5/25/2015 4:39:23 PM EDT
[#1]
all the reviews i've read are favorable, and the specs aim lists are comparable if not better than everybody else...
which is why I got their $80 black nitride bcg this weekend 
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Posted: 5/25/2015 4:40:53 PM EDT
[#2]
I have 4 BCM BCGs and all have been 100% so far. I do have one WMD nickle boron BCG and it does not look pretty anymore. After about 50 rounds it is super dark and stained. So to me its not worth the extra price.
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Posted: 5/25/2015 4:45:39 PM EDT
[#3]
NiB isn't all its cracked up to be
Flio a coin |
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Posted: 5/25/2015 4:50:30 PM EDT
[#4]
I just ordered a AIM today. Never tried one but I thought the specs and dollar value, it was worth a shot. Went with the NiB BCG that had the black Nitride bolt.
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Posted: 5/25/2015 5:24:06 PM EDT
[#5]
I have Spikes NIb, AIM NIb and BCM. If I was buying again I would get BCM. The others are not worth it and I don't have a lot of confidence in the AIM BCG.
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Posted: 5/25/2015 5:38:36 PM EDT
[#6]
Quote HistoryQuoted:
I have Spikes NIb, AIM NIb and BCM. If I was buying again I would get BCM. The others are not worth it and I don't have a lot of confidence in the AIM BCG. Why? |
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Posted: 5/25/2015 6:45:36 PM EDT
[#7]
been running an aim NiB BCG for over a year now with no problems, yes it got stained but thats because it got used! Bryan and the others at Aim will take care of you if anything happens
the choice is pretty clear 
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Posted: 5/25/2015 7:00:07 PM EDT
[#8]
Quote HistoryQuoted: Why? Quote HistoryQuoted: Quoted: I have Spikes NIb, AIM NIb and BCM. If I was buying again I would get BCM. The others are not worth it and I don't have a lot of confidence in the AIM BCG. Why? for one thing, you don't know who made it or what the quality of parts are. I have 4 budget builds over the years. The one thing all 4 have in common is some form of BCG problem at some point. No other failures. I will not buy a no-name brand BCG ever again. Its like the heart of the rifle. |
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Posted: 5/25/2015 7:03:37 PM EDT
[#9]
Quote HistoryQuoted:
for one thing, you don't know who made it or what the quality of parts are. I have 4 budget builds over the years. The one thing all 4 have in common is some form of BCG problem at some point. No other failures. I will not buy a no-name brand BCG ever again. Its like the heart of the rifle. Quote HistoryQuoted:
Quoted:
Quoted:
I have Spikes NIb, AIM NIb and BCM. If I was buying again I would get BCM. The others are not worth it and I don't have a lot of confidence in the AIM BCG. Why? I have 4 budget builds over the years. The one thing all 4 have in common is some form of BCG problem at some point. No other failures. I will not buy a no-name brand BCG ever again. Its like the heart of the rifle. What kind of problems? |
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Posted: 5/25/2015 7:16:36 PM EDT
[#10]
Quote HistoryQuoted:
What kind of problems? Yeah..that |
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Posted: 5/25/2015 8:19:00 PM EDT
[#11]
I bought a BCM BCG for my first AR and I was very happy with it, except for the fact that it seemed like the cam pin had started to wear quite a bit. Then at about 1K rounds I was cleaning the bolt and thought the gas rings looked a little strange. Sure enough one of them was basically worn through. I replaced them with a McFarland and that was a total fail. Junk after 100 rounds. I have since installed OEM Colt rings and they seem to be OK. For a BCG that carries a premium price I expected a little better. My SBR was assembled with an Aero Precision BCG. Advertised to have the same specs as the BCM, it has been GTG so far. With nearly 1000 rounds on it the Aero BCG looks almost new. The cam pin barely has a mark on it. When I go to buy my next BCG it will be an Aero.
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Posted: 5/25/2015 8:59:20 PM EDT
[#12]
Quote HistoryQuoted: Yeah..that Quote HistoryQuoted: Quoted: What kind of problems? Yeah..that extractors that loose their grip has been the biggest failure. Replaced the spring/ o-ring/plungers and got a few hundred more rounds before realizing the sharp part of the extractor was rounded off. I use brass cased ammo exclusively. one of them developed a eroded gas key epening that led to cycling issues. the other one the gas rings wore out prematurely. on all of them, I replaced the parts or the entire bolt with good quality known brand items and kept the carriers. none of those 4 BCG's have more than 2000 rounds each. |
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Posted: 5/25/2015 9:13:01 PM EDT
[#13]
I had a gas key come loose from my AIM bcg after a few hundred rounds. Took me a little bit to figure out why the bcg wouldn't eject all the time or pick up the next round. I tighten it down and did a better stake job and it's been 100% so far. But from now on I'll stick to buying from well known companies.
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Posted: 5/25/2015 9:17:00 PM EDT
[#14]
Hmm it's sounding like the BCM is the way to go for a part I can depend on 100%
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Posted: 5/25/2015 10:10:29 PM EDT
[#15]
I've been running the AIM NiB in three different rifles now for the past year. No issues whatsoever. And after 1000+rounds it's still pretty and clean. A simple wipe down after shooting quality ammo has kept it this way I guess.
Just ordered their Nitride for $80 shipped this weekend and expect it to be just as quality. Also, FWIW, I've yet to have any headspace issues with these bolts. Ran them on five different barrels and all headspace perfectly! |
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Posted: 5/25/2015 10:27:05 PM EDT
[#16]
i have a nitride ar15 and phosphate ar10 bcg. both have been perfect so far. i would trust my life with either. if you want the bcm than buy it but the aim bcg is just as good.
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Posted: 5/25/2015 10:59:15 PM EDT
[#17]
I have had 2 issues with AIM bolt carrier groups so I won't be looking their way again. The first one they sent me had a crap stake job on it and they replaced it. The firing pin sheared off on the second one after less than 300 rounds and that was enough for me. Their CS was great when they replaced the first one and I'm sure they would have made the firing pin right had I brought it to their attention, but I just felt it was time to move on from AIM carriers for me. Never had a BCM BCG but every other BCM product I own is rock solid
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Posted: 5/26/2015 2:34:39 AM EDT
[#18]
I got a pistol that was just a fun build I got an AIM NiB bcg, and after 1000 rounds I have not had a single issue. Almost all entirely steel tulammo. That being said, if this is a rifle you at some point want to bet your life on, imo, get the BCM. I'm partial to Toolcraft BCGs, Google is your friend. WCArmory.com has the regular Toolcraft bcgs for roughly $90 shipped, NiB is like $115 shipped.
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Posted: 5/26/2015 5:31:39 AM EDT
[#19]
I have a few BDG NiB bcg's and have ZERO issues with them. They work fine, right "out of the box" and are EASY to clean. I also have 2 Nitride BDG BCG's (Which I prefer) which are also EASY to clean and actually feel smoother (manually cycling) than the NiB. I actually prefer Nitride (as there is nothing to chip or flake) more.
That being said, if you want to piss your money away on a BCM, that's your business. The AIM bcg's work just fine (for a fraction of the $). Having tried both, I'll NEVER go "phosphate" again (F-ing stupid. That's the worst treatment ever for a bcg). AIM NiB or Nitride all the way. YMMV. |
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Posted: 5/26/2015 7:19:46 AM EDT
[#20]
I have an AIM NiB BCG that has around 1000 rounds through it and I've not had any issues. It's not as shiny as it was when I got it but I hit it with some Flitz and cleaned it up real nice. I'm in the middle of a 6.8 SPC II build and I'm probably going to order the AIM 6.8 BCG.
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Posted: 5/26/2015 8:25:38 AM EDT
[#21]
A nicely polished carrier with a nitride finish is about as good as it gets for ease of cleaning. My latest build has a Rubber City low mass carrier that is finished that way, but I notice they make standard size carriers too. They even nitride-treat their bolts. Good stuff. - CW
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Posted: 5/26/2015 9:00:52 AM EDT
[#22]
I've got WMD and now Toolcraft in my builds. I know Toolcraft is OEM for a number of the big brands and I will absolutely put their BCG in a SHTF gun.
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Posted: 5/26/2015 1:07:01 PM EDT
[#23]
Quote HistoryQuoted:
Hmm it's sounding like the BCM is the way to go for a part I can depend on 100% Yes but trust us it's not the ONLY way to go! I personally will never be buying any phosphate BCG's in the future, too many superior surface treatments available now. |
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Posted: 5/26/2015 1:17:17 PM EDT
[#24]
Quote HistoryQuoted:
Yes but trust us it's not the ONLY way to go! I personally will never be buying any phosphate BCG's in the future, too many superior surface treatments available now. Quote HistoryQuoted:
Quoted:
Hmm it's sounding like the BCM is the way to go for a part I can depend on 100% Yes but trust us it's not the ONLY way to go! I personally will never be buying any phosphate BCG's in the future, too many superior surface treatments available now. NiB may be the newest/coolest thing out there, but there is nothing wrong with phosphate BCGs. Way too much hype out there imo |
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Posted: 5/26/2015 1:30:37 PM EDT
[#25]
Quote HistoryQuoted:
Hmm it's sounding like the BCM is the way to go for a part I can depend on 100% I bet BCM doesn't make their BCG's in house, most don't. |
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Posted: 5/26/2015 2:33:29 PM EDT
[#26]
AIM BCGs are/have been good to go here.
I have several in rifles with thousands of rounds from the last 3 years or so. None of them have experienced any problems that I can see. Bravo Company is also definitely good to go.
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Posted: 5/26/2015 3:34:31 PM EDT
[#27]
I have the AIM NiB V2. I only have one BCG so I can't compare it to any other brand or finish. After 1000+ rounds through it, it cleans up easily and quickly. It still looks clean and shiny too. I'd have no problems buying another one from them.
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Posted: 5/26/2015 4:02:42 PM EDT
[#28]
Quote HistoryQuoted:
NiB may be the newest/coolest thing out there, but there is nothing wrong with phosphate BCGs. Way too much hype out there imo Quote HistoryQuoted:
Quoted:
Quoted:
Hmm it's sounding like the BCM is the way to go for a part I can depend on 100% Yes but trust us it's not the ONLY way to go! I personally will never be buying any phosphate BCG's in the future, too many superior surface treatments available now. NiB may be the newest/coolest thing out there, but there is nothing wrong with phosphate BCGs. Way too much hype out there imo I never said there was anything wrong with phosphate, just that there are superior surface treatments. Actually NiB is old hat now, I prefer Melonite/QPQ/Nitride treatment and I don't consider it to be "hype". I can't think of one area where phosphate would be considered superior to it. Give it a try and see for yourself. |
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Posted: 5/26/2015 4:53:42 PM EDT
[#29]
BCM for the win!!!
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Posted: 5/26/2015 8:33:57 PM EDT
[#30]
Well now I'm leaning towards the BCG-X from Aims!!
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Posted: 5/26/2015 9:03:40 PM EDT
[#31]
You can buy two AIM BCGs for the price of a BCM BCG.
I have two AIM black nitride BCGs, no issues with either, but not a lot of use either. The second one I bought to replace a "higher tier" more expensive BCG that wouldn't work well in my build. The HD AR has an AIM BCG in it. The stiffer extractor spring that BCM uses is a good idea. You can get them with the O-Ring for $5. I've been meaning to do this for all of my Bolts, but when it isn't broke, why fix it? |
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Posted: 5/27/2015 12:54:48 PM EDT
[#32]
I do not buy BCM their prices are most always out of proportion to everyone else's. They do not build most of their items anyway. AIM is a superb BCG as well as WMD Guns.
Vince |
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Posted: 5/27/2015 3:09:34 PM EDT
[#33]
Ended up going with the NiB EXO/nitride BCG-X from Aim, that thing looks real nice and I like how all the specs are posted
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Posted: 5/27/2015 3:15:47 PM EDT
[#34]
For the money, these are tough to beat: http://www.wcarmory.com/toolcraft-bcg-223-5-56-bolt-carrier-group-mpi-black-1b1b6-158-carpenter.htm
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Posted: 5/27/2015 3:30:06 PM EDT
[#35]
Quote HistoryQuoted:
For the money, these are tough to beat: http://www.wcarmory.com/toolcraft-bcg-223-5-56-bolt-carrier-group-mpi-black-1b1b6-158-carpenter.htm Toolcraft is defintiely G2G. I have a BCM, two TC, and one AIM. They're all nice. I'd go with either BCM or TC based on their long track record. |
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Posted: 5/27/2015 3:33:31 PM EDT
[#36]
Quote HistoryQuoted:
Toolcraft is defintiely G2G. I have a BCM, two TC, and one AIM. They're all nice. I'd go with either BCM or TC based on their long track record. Quote HistoryQuoted:
Quoted:
For the money, these are tough to beat: http://www.wcarmory.com/toolcraft-bcg-223-5-56-bolt-carrier-group-mpi-black-1b1b6-158-carpenter.htm Toolcraft is defintiely G2G. I have a BCM, two TC, and one AIM. They're all nice. I'd go with either BCM or TC based on their long track record. Yup. The ones I posted were actually .mil contract. For ~$90, you just can't beat that with anything. |
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Posted: 5/28/2015 3:31:02 AM EDT
[#37]
From AIM
correct, we do not machine or coat anything in house, in fact we buy them complete from the same companies that the big guys do, in fact most of our parts are the exact same thing as the big companies. From this thread http://www.ar15.com/forums/t_3_118/673053_Are_AIM_nitride_BCG_s_good_quality_back_ups_.html&page=1 |
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